Native plants · Colorado

Native plants of Boulder County

735 plant species are recorded as native to Colorado in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Boulder County by USDA PLANTS. 387 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 5 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Boulder County, Colorado

Native species
735 Typical Colorado county: 237 (median of 63 counties)
Garden-ready natives
387 Typical Colorado county: 148
Share by type (all 735 native species)
Percent of the 735 native species in each growth type
Tree 7% (50)
Shrub 7% (51)
Wildflower (forb) 57% (416)
Grass or grass-like 25% (185)
Vine 2% (13)
Fern 3% (20)

Wildflowers make up the largest share of the native list (57%), followed by grasses and grass-like plants (25%).

Recorded native ranges can include long-established populations that spread from gardens; check your state’s native plant society list for local guidance. How native status is decided.

ZIP codes mainly in this county fall in USDA hardiness zones 5b to 6a (2023 map).

The native plant list

Cold hardiness is estimated from each plant’s PLANTS minimum temperature. How we estimate it.

Garden-ready natives 387

Native species with PLANTS growing records (height, light, moisture, minimum temperature). “—” means PLANTS has no value.

Garden-ready native plants of Boulder County, Colorado
PlantType HeightLight Water useHardy to
alderleaf mountain mahogany Cercocarpus montanus Tree 15 ft Sun–part shade Low Zone 3a
alkali buttercup Ranunculus cymbalaria Wildflower (forb) 1 ft Shade-tolerant High Zone 3b
alkali sacaton Sporobolus airoides Grass or grass-like 3 ft Sun Low Zone 3b
alpine bistort Polygonum viviparum Wildflower (forb) 1 ft Sun High Zone 3b
alpine laurel Kalmia microphylla Shrub 1 ft Shade-tolerant Medium Zone 4b
alpine leafybract aster Symphyotrichum foliaceum Wildflower (forb) 2 ft Sun Medium Zone 3b
Alpine Meadow-Foxtail Alopecurus magellanicus Grass or grass-like 6 in Sun–part shade High Zone 4a
alpine mountainsorrel Oxyria digyna Wildflower (forb) 1 ft Sun–part shade Medium Zone 3a
alpine timothy Phleum alpinum Grass or grass-like 1.4 ft Sun–part shade Medium Zone 3a
American alpine speedwell Veronica wormskjoldii Wildflower (forb) 1 ft Sun–part shade High Zone 4b
American bistort Polygonum bistortoides Wildflower (forb) 1.5 ft Sun High Zone 3b
American licorice Glycyrrhiza lepidota Wildflower (forb) 4 ft Sun–part shade High Zone 3b
American plum Prunus americana Tree 24 ft Sun Medium Zone 3b
American red raspberry Rubus idaeus Shrub 6 ft Shade-tolerant — Zone 1a
American speedwell Veronica americana Wildflower (forb) 10 in Shade-tolerant High Zone 3b
American vetch Vicia americana Vine 1.3 ft Sun Low Zone 3b
American water horehound Lycopus americanus Wildflower (forb) 1.8 ft Shade-tolerant High Zone 3b
analogue sedge Carex simulata Grass or grass-like 1.5 ft Sun–part shade High Zone 3b
antelope bitterbrush Purshia tridentata Shrub 6 ft Sun–part shade Low Zone 3b
arctic bluegrass Poa arctica Grass or grass-like 2 ft Sun — Zone 1a
arctic pearlwort Sagina saginoides Wildflower (forb) 4 in Sun–part shade High Zone 4a
arctic sweet coltsfoot Petasites frigidus Wildflower (forb) 10 in Sun–part shade High Zone 3b
arrowleaf ragwort Senecio triangularis Wildflower (forb) 4 ft Sun–part shade High Zone 4a
arumleaf arrowhead Sagittaria cuneata Wildflower (forb) 2.6 ft Sun Medium Zone 4a
awlfruit sedge Carex stipata Grass or grass-like 3.5 ft Shade-tolerant Medium Zone 3b
balsam poplar Populus balsamifera Tree 80 ft Sun High Zone 1a
beaked hazelnut Corylus cornuta Tree 15 ft Shade-tolerant Medium Zone 2b
beaked spikerush Eleocharis rostellata Grass or grass-like 3 ft Sun High Zone 4b
beardless wildrye Leymus triticoides Grass or grass-like 3 ft Sun High Zone 3a
big bluestem Andropogon gerardii Grass or grass-like 6 ft Sun Low Zone 2b
big sagebrush Artemisia tridentata Tree 4 ft Sun Medium Zone 3a
Bigelow's tansyaster Machaeranthera bigelovii Wildflower (forb) 4 ft Sun Low Zone 10b
blackeyed Susan Rudbeckia hirta Wildflower (forb) 1 ft Sun Medium Zone 5a
blanketflower Gaillardia aristata Wildflower (forb) 2 ft Sun Medium Zone 4a
blue grama Bouteloua gracilis Grass or grass-like 1 ft Sun Medium Zone 3a
blue spruce Picea pungens Tree 100 ft Sun–part shade Medium Zone 3b
blue wildrye Elymus glaucus Grass or grass-like 3.3 ft Shade-tolerant Low Zone 3b
bluejoint Calamagrostis canadensis Grass or grass-like 4.9 ft Sun Medium Zone 4a
blunt spikerush Eleocharis obtusa Grass or grass-like 1.6 ft Sun Medium Zone 11a
bluntseed sweetroot Osmorhiza depauperata Wildflower (forb) 2 ft Shade-tolerant Medium Zone 4a
bog willowherb Epilobium leptophyllum Wildflower (forb) 3.6 ft Sun–part shade High Zone 4a
boreal sagebrush Artemisia arctica Shrub 1.5 ft — — Zone 1a
boxelder Acer negundo Tree 60 ft Shade-tolerant Medium Zone 2b
bristlecone pine Pinus aristata Tree 40 ft Sun Low Zone 4a
broadbeard beardtongue Penstemon angustifolius Wildflower (forb) 3 ft Sun Low Zone 4b
broadleaf arnica Arnica latifolia Wildflower (forb) 2 ft Sun–part shade High Zone 4a
broadleaf arrowhead Sagittaria latifolia Wildflower (forb) 4.9 ft Sun High Zone 4a
broadleaf cattail Typha latifolia Wildflower (forb) 5 ft Sun–part shade High Zone 3b
broadlipped twayblade Listera convallarioides Wildflower (forb) 1 ft Shade-tolerant High Zone 3b
broom sedge Carex scoparia Grass or grass-like 2.5 ft Shade-tolerant High Zone 3b
broom snakeweed Gutierrezia sarothrae Shrub 1.5 ft Sun Medium Zone 3b
buckbean Menyanthes trifoliata Wildflower (forb) 10 in Sun–part shade High Zone 4a
buffalograss Bouteloua dactyloides Grass or grass-like 6 in Sun Medium Zone 3b
bunchberry dogwood Cornus canadensis Shrub 6 in Shade-tolerant High Zone 4b
Canada germander Teucrium canadense Wildflower (forb) 3.3 ft Sun–part shade High Zone 3a
Canada goldenrod Solidago altissima Wildflower (forb) 5 ft Sun–part shade Medium Zone 4b
Canada goldenrod Solidago canadensis Wildflower (forb) 3.5 ft Sun Medium Zone 3a
Canada wildrye Elymus canadensis Grass or grass-like 3 ft Shade-tolerant Medium Zone 3a
Canadian horseweed Conyza canadensis Wildflower (forb) 5 ft Sun Medium Zone 12b
Canadian milkvetch Astragalus canadensis Wildflower (forb) 6 in Sun Medium Zone 3b
Canadian waterweed Elodea canadensis Wildflower (forb) — Sun High Zone 4a
cerro hawthorn Crataegus erythropoda Tree 16 ft Sun Low Zone 2a
Chamisso arnica Arnica chamissonis Wildflower (forb) 2.5 ft Sun–part shade High Zone 4a
chamisso sedge Carex pachystachya Grass or grass-like 3.5 ft Shade-tolerant Medium Zone 3b
chestnut rush Juncus castaneus Grass or grass-like 1.5 ft Sun Medium Zone 3b
chokecherry Prunus virginiana Tree 25 ft Sun Medium Zone 3a
cloaked bulrush Scirpus pallidus Grass or grass-like 5 ft Sun Medium Zone 3b
clustered field sedge Carex praegracilis Grass or grass-like 2 ft Sun–part shade Medium Zone 3b
Colorado blue columbine Aquilegia coerulea Wildflower (forb) 2 ft Shade-tolerant Medium Zone 4b
Colorado rush Juncus confusus Grass or grass-like 1.5 ft Sun–part shade High Zone 3b
Columbia needlegrass Achnatherum nelsonii Grass or grass-like 3 ft Sun Low Zone 4b
Columbian monkshood Aconitum columbianum Wildflower (forb) 5 ft Sun–part shade High Zone 4b
common cowparsnip Heracleum maximum Wildflower (forb) 8 ft Sun High Zone 3b
common juniper Juniperus communis Tree 10 ft Sun Low Zone 3a
common mare's-tail Hippuris vulgaris Wildflower (forb) 2.8 ft Sun High Zone 3b
common selfheal Prunella vulgaris Wildflower (forb) 1.5 ft Sun–part shade Medium Zone 3b
common sneezeweed Helenium autumnale Wildflower (forb) 4.9 ft Sun Medium Zone 3a
common snowberry Symphoricarpos albus Shrub 3 ft Sun Medium Zone 3b
common spikerush Eleocharis palustris Grass or grass-like 1.3 ft Sun High Zone 3b
common threesquare Schoenoplectus pungens Grass or grass-like 4.9 ft Sun High Zone 3b
composite dropseed Sporobolus compositus Grass or grass-like 3 ft Sun Low Zone 3b
coon's tail Ceratophyllum demersum Wildflower (forb) — Sun–part shade High Zone 3b
creeping barberry Mahonia repens Shrub 2 ft Shade-tolerant Medium Zone 5a
crested pricklypoppy Argemone polyanthemos Wildflower (forb) 3 ft Sun Low Zone 5a
cursed buttercup Ranunculus sceleratus Wildflower (forb) 2 ft Shade-tolerant High Zone 12b
cutleaf coneflower Rudbeckia laciniata Wildflower (forb) 8.2 ft Shade-tolerant Low Zone 3b
cutleaf daisy Erigeron compositus Wildflower (forb) 1 ft Sun Low Zone 4a
darkthroat shootingstar Dodecatheon pulchellum Wildflower (forb) 2 ft Sun–part shade Medium Zone 4a
devil's beggartick Bidens frondosa Wildflower (forb) 4 ft Sun–part shade Medium Zone 12a
Dewey sedge Carex deweyana Grass or grass-like 3.8 ft Shade-tolerant Medium Zone 4a
dewystem willow Salix irrorata Shrub 6 ft — — Zone 2a
diamondleaf willow Salix planifolia Tree 8 ft Sun Medium Zone 3b
disk waterhyssop Bacopa rotundifolia Wildflower (forb) 1 in Sun High Zone 4a
dotted blazing star Liatris punctata Wildflower (forb) 2 ft Sun Medium Zone 3a
Douglas-fir Pseudotsuga menziesii Tree 200 ft Sun–part shade Medium Zone 4a
Douglas' sedge Carex douglasii Grass or grass-like 1.5 ft Sun Medium Zone 4a
downy paintedcup Castilleja sessiliflora Wildflower (forb) 1.3 ft Sun Low Zone 3b
drooping woodreed Cinna latifolia Grass or grass-like 4.5 ft Sun–part shade High Zone 3b
Drummond's rockcress Arabis drummondii Wildflower (forb) 2 ft Sun–part shade Medium Zone 3b
Drummond's rush Juncus drummondii Grass or grass-like 1.5 ft Sun–part shade Medium Zone 3b
Drummond's willow Salix drummondiana Shrub 12 ft Sun–part shade High Zone 4b
dwarf bilberry Vaccinium cespitosum Shrub 1 ft Shade-tolerant High Zone 4a
dwarf spikerush Eleocharis parvula Grass or grass-like 1.2 ft Sun Medium Zone 3b
eastern cottonwood Populus deltoides Tree 190 ft Sun High Zone 3a
eastern purple coneflower Echinacea purpurea Wildflower (forb) 1.2 ft Sun Medium Zone 4a
eastern redcedar Juniperus virginiana Tree 50 ft Sun–part shade Low Zone 3a
elephanthead lousewort Pedicularis groenlandica Wildflower (forb) 2.5 ft Sun–part shade High Zone 4a
Engelmann spruce Picea engelmannii Tree 120 ft Shade-tolerant Medium Zone 2a
Eschscholtz's buttercup Ranunculus eschscholtzii Wildflower (forb) 1 ft Sun Medium Zone 4a
false indigo bush Amorpha fruticosa Shrub 15 ft Sun Low Zone 3b
fiddleleaf hawksbeard Crepis runcinata Wildflower (forb) 1 ft Sun Medium Zone 3b
field horsetail Equisetum arvense Fern 11 in Sun–part shade High Zone 3a
fireweed Chamerion angustifolium Wildflower (forb) 5.5 ft Sun–part shade High Zone 3b
fivepetal cliffbush Jamesia americana Shrub 6 ft Sun Medium Zone 5a
flat-top pussytoes Antennaria corymbosa Wildflower (forb) 1 ft Shade-tolerant High Zone 5b
flatstem spikerush Eleocharis compressa Grass or grass-like 2 ft Sun High Zone 4a
foothill arnica Arnica fulgens Wildflower (forb) 2 ft Shade-tolerant Medium Zone 4b
forked rush Juncus dichotomus Grass or grass-like 2.9 ft Sun–part shade Medium Zone 8b
fourwing saltbush Atriplex canescens Shrub 4 ft Sun Medium Zone 3a
fowl bluegrass Poa palustris Grass or grass-like 4 ft Sun–part shade Medium Zone 3b
fowl mannagrass Glyceria striata Grass or grass-like 5.7 ft Shade-tolerant Medium Zone 3b
fox sedge Carex vulpinoidea Grass or grass-like 3.2 ft Sun–part shade Medium Zone 3b
fringed brome Bromus ciliatus Grass or grass-like 4 ft Shade-tolerant Medium Zone 7a
fringed grass of Parnassus Parnassia fimbriata Wildflower (forb) 1.2 ft Sun–part shade High Zone 4b
Gambel oak Quercus gambelii Tree 40 ft Sun Low Zone 3a
Geyer willow Salix geyeriana Tree 15 ft Shade-tolerant High Zone 3b
Geyer's sedge Carex geyeri Grass or grass-like 1.5 ft Sun–part shade Low Zone 4b
giant goldenrod Solidago gigantea Wildflower (forb) 8.2 ft Sun–part shade Medium Zone 4a
glaucous bluegrass Poa glauca Grass or grass-like 2 ft Sun — Zone 3a
golden crownbeard Verbesina encelioides Wildflower (forb) 2 ft Sun Medium Zone 5a
golden currant Ribes aureum Shrub 10 ft Sun–part shade Low Zone 3b
golden sedge Carex aurea Grass or grass-like 1.2 ft Sun–part shade High Zone 4a
golden tickseed Coreopsis tinctoria Wildflower (forb) 3 ft Sun–part shade High Zone 12b
gooseberry currant Ribes montigenum Shrub 1 ft Sun–part shade Medium Zone 7a
grassleaf rush Juncus marginatus Grass or grass-like 2 ft Sun–part shade Medium Zone 5a
gray alder Alnus incana Tree 25 ft Sun–part shade High Zone 4a
gray aster Eurybia glauca Wildflower (forb) 2 ft Sun Medium Zone 3a
greater creeping spearwort Ranunculus flammula Wildflower (forb) 1.5 ft Shade-tolerant High Zone 4a
green ash Fraxinus pennsylvanica Tree 80 ft Shade-tolerant Medium Zone 2b
green needlegrass Nassella viridula Grass or grass-like 2 ft Sun Low Zone 3b
Greene's mountain ash Sorbus scopulina Tree 12 ft Sun–part shade Medium Zone 7a
groundnut Apios americana Vine 1 ft Shade-tolerant Medium Zone 5a
grouse whortleberry Vaccinium scoparium Shrub 2 ft Shade-tolerant Medium Zone 6a
hair-like sedge Carex capillaris Grass or grass-like 1.7 ft Shade-tolerant Medium Zone 3a
hairy arnica Arnica mollis Wildflower (forb) 2 ft Sun–part shade High Zone 4a
hairy false goldenaster Heterotheca villosa Wildflower (forb) 3 ft Sun Low Zone 4a
hairy grama Bouteloua hirsuta Grass or grass-like 6 in Sun Low Zone 3b
hardstem bulrush Schoenoplectus acutus Grass or grass-like 9.8 ft Sun High Zone 3b
heartleaf arnica Arnica cordifolia Wildflower (forb) 1.5 ft Shade-tolerant High Zone 4b
heartleaf bittercress Cardamine cordifolia Wildflower (forb) 1.5 ft Shade-tolerant High Zone 4b
high northern buttercup Ranunculus hyperboreus Wildflower (forb) 1 ft Sun — Zone 1a
hooded lady's tresses Spiranthes romanzoffiana Wildflower (forb) 2.5 ft Sun–part shade High Zone 3b
Idaho bentgrass Agrostis idahoensis Grass or grass-like 1.4 ft Sun Medium Zone 3b
Idaho blue-eyed grass Sisyrinchium idahoense Wildflower (forb) 1.7 ft Shade-tolerant High Zone 3b
Indian blanket Gaillardia pulchella Wildflower (forb) 2 ft Sun Medium Zone 10b
Indian ricegrass Achnatherum hymenoides Grass or grass-like 2 ft Sun Low Zone 3a
Indiangrass Sorghastrum nutans Grass or grass-like 6 ft Sun Medium Zone 3b
Indianhemp Apocynum cannabinum Wildflower (forb) 3.3 ft Sun–part shade High Zone 3a
inland rush Juncus interior Grass or grass-like 3 ft Sun–part shade Medium Zone 3b
inland sedge Carex interior Grass or grass-like 1.5 ft Sun–part shade High Zone 3b
jewelweed Impatiens capensis Wildflower (forb) 4.9 ft Shade-tolerant Medium Zone 10b
jointleaf rush Juncus articulatus Grass or grass-like 2 ft Sun–part shade High Zone 4b
kinnikinnick Arctostaphylos uva-ursi Shrub 6 in Sun–part shade Low Zone 4a
knotted rush Juncus nodosus Grass or grass-like 2 ft Sun Medium Zone 4b
lambstongue ragwort Senecio integerrimus Wildflower (forb) 1.1 ft Sun–part shade Medium Zone 3b
lanceleaf grapefern Botrychium lanceolatum Fern 11 in Shade-tolerant Medium Zone 4a
largeflower hawksbeard Crepis occidentalis Wildflower (forb) 11 in Sun Low Zone 5a
largeleaf avens Geum macrophyllum Wildflower (forb) 2 ft Shade-tolerant Medium Zone 4a
leafy pondweed Potamogeton foliosus Wildflower (forb) — Sun High Zone 3b
lesser bladderwort Utricularia minor Wildflower (forb) 2 in Sun High Zone 3a
lesser panicled sedge Carex diandra Grass or grass-like 3 ft Sun–part shade High Zone 4a
Letterman's needlegrass Achnatherum lettermanii Grass or grass-like 2 ft Sun Low Zone 4b
Lewis flax Linum lewisii Wildflower (forb) 2.5 ft Sun Medium Zone 3b
limber pine Pinus flexilis Tree 66 ft Sun Low Zone 3a
little barley Hordeum pusillum Grass or grass-like 1.2 ft Sun Medium Zone 10b
little bluestem Schizachyrium scoparium Grass or grass-like 3 ft Sun Low Zone 3b
little western bittercress Cardamine oligosperma Wildflower (forb) 1.7 ft Shade-tolerant Medium Zone 5a
littleleaf buttercup Ranunculus abortivus Wildflower (forb) 2.8 ft Shade-tolerant Medium Zone 3a
littleleaf pussytoes Antennaria microphylla Wildflower (forb) 1 ft Sun Low Zone 3b
littleseed ricegrass Piptatheropsis micrantha Grass or grass-like 2.5 ft Sun Low Zone 3b
lodgepole pine Pinus contorta Tree 99 ft Sun Medium Zone 1a
longbeak buttercup Ranunculus longirostris Wildflower (forb) 1 ft Shade-tolerant High Zone 4b
longleaf pondweed Potamogeton nodosus Wildflower (forb) — Sun High Zone 3b
longleaf starwort Stellaria longifolia Wildflower (forb) 1.5 ft Shade-tolerant High Zone 3b
longstalk starwort Stellaria longipes Wildflower (forb) 11 in Sun–part shade High Zone 4a
longstyle rush Juncus longistylis Grass or grass-like 1.8 ft Sun–part shade High Zone 3b
Macoun's buttercup Ranunculus macounii Wildflower (forb) 1 ft Sun — Zone 1a
maiden blue eyed Mary Collinsia parviflora Wildflower (forb) 1 ft Shade-tolerant Medium Zone 4a
Malabar sprangletop Leptochloa fusca Grass or grass-like 3.3 ft Sun High Zone 3a
marsh bluegrass Poa leptocoma Grass or grass-like 2 ft Shade-tolerant High Zone 4b
marsh grass of Parnassus Parnassia palustris Wildflower (forb) 2.2 ft Sun High Zone 3b
marsh muhly Muhlenbergia racemosa Grass or grass-like 3 ft Shade-tolerant Medium Zone 3b
mat muhly Muhlenbergia richardsonis Grass or grass-like 6 in Sun High Zone 4b
meadow barley Hordeum brachyantherum Grass or grass-like 2 ft Sun Medium Zone 3a
Mertens' rush Juncus mertensianus Grass or grass-like 11 in Sun–part shade High Zone 4a
Missouri goldenrod Solidago missouriensis Wildflower (forb) 3 ft Sun–part shade Low Zone 3b
mountain brome Bromus marginatus Grass or grass-like 4 ft Sun High Zone 4b
mountain muhly Muhlenbergia montana Grass or grass-like 1.5 ft Sun Medium Zone 3b
mountain sedge Carex scopulorum Grass or grass-like 1.3 ft Sun–part shade High Zone 3b
muttongrass Poa fendleriana Grass or grass-like 2 ft Sun Low Zone 3b
narrowleaf cottonwood Populus angustifolia Tree 60 ft Sun High Zone 4b
narrowleaf water plantain Alisma gramineum Wildflower (forb) 1.5 ft Sun High Zone 3a
narrowleaf willow Salix exigua Tree 10 ft Sun–part shade High Zone 3b
Nebraska sedge Carex nebrascensis Grass or grass-like 3 ft Sun High Zone 3b
needle and thread Hesperostipa comata Grass or grass-like 3 ft Sun Low Zone 3b
needle spikerush Eleocharis acicularis Grass or grass-like 8 in Sun Medium Zone 5a
New Mexico locust Robinia neomexicana Tree 25 ft Sun Medium Zone 5a
nimblewill Muhlenbergia schreberi Grass or grass-like 3.2 ft Shade-tolerant Low Zone 4a
nodding beggartick Bidens cernua Wildflower (forb) 3.2 ft Sun–part shade High Zone 12a
nodding microseris Microseris nutans Wildflower (forb) 2 ft Shade-tolerant Medium Zone 4b
northern bedstraw Galium boreale Wildflower (forb) 3 ft Sun–part shade Medium Zone 4a
Northwest Territory sedge Carex utriculata Grass or grass-like 3.5 ft Sun High Zone 3a
Nuttall's alkaligrass Puccinellia nuttalliana Grass or grass-like 10 in Sun Medium Zone 3b
Nuttall's povertyweed Monolepis nuttalliana Wildflower (forb) 10 in Sun Medium Zone 12a
Nuttall's sunflower Helianthus nuttallii Wildflower (forb) 10 ft Sun Medium Zone 3b
old man's whiskers Geum triflorum Wildflower (forb) 1.5 ft Sun–part shade Medium Zone 3b
orange agoseris Agoseris aurantiaca Wildflower (forb) 1 ft Sun Medium Zone 4a
Pacific anemone Anemone multifida Wildflower (forb) 2 ft Shade-tolerant Medium Zone 5a
pale agoseris Agoseris glauca Shrub 1 ft Sun Medium Zone 4a
panicled bulrush Scirpus microcarpus Grass or grass-like 5.5 ft Sun Medium Zone 3b
paper birch Betula papyrifera Tree 70 ft Sun High Zone 1a
park willow Salix monticola Tree 12 ft Sun Low Zone 3b
Parry's rush Juncus parryi Grass or grass-like 1 ft Sun–part shade Low Zone 4a
peachleaf willow Salix amygdaloides Tree 60 ft Sun High Zone 4a
pearly pussytoes Antennaria anaphaloides Wildflower (forb) 2.5 ft Sun–part shade Medium Zone 4a
Pennsylvania bittercress Cardamine pensylvanica Wildflower (forb) 1.5 ft Shade-tolerant Medium Zone 4a
Pennsylvania smartweed Polygonum pensylvanicum Wildflower (forb) 3.9 ft Sun Medium Zone 10b
pin cherry Prunus pensylvanica Tree 30 ft Sun Medium Zone 3b
pine dropseed Blepharoneuron tricholepis Grass or grass-like 3 ft Sun–part shade Low Zone 5a
pipsissewa Chimaphila umbellata Shrub 1.5 ft Shade-tolerant Low Zone 3b
plains pricklypear Opuntia polyacantha Shrub 2 ft Sun Low Zone 4b
plantainleaf buttercup Ranunculus alismifolius Wildflower (forb) 2 ft Sun–part shade High Zone 4a
porcupinegrass Hesperostipa spartea Grass or grass-like 4 ft Sun Medium Zone 3b
poverty rush Juncus tenuis Grass or grass-like 1.5 ft Sun–part shade Medium Zone 3b
prairie dropseed Sporobolus heterolepis Grass or grass-like 2.3 ft Sun–part shade Low Zone 3b
prairie fleabane Erigeron strigosus Wildflower (forb) 3 ft Sun Medium Zone 4b
prairie Junegrass Koeleria macrantha Grass or grass-like 1.5 ft Shade-tolerant High Zone 3b
prairie sagewort Artemisia frigida Shrub 2 ft Sun–part shade Low Zone 3a
prairie sandreed Calamovilfa longifolia Grass or grass-like 4.5 ft Sun Medium Zone 3b
prairie wedgescale Sphenopholis obtusata Grass or grass-like 3.2 ft Sun–part shade Medium Zone 3a
prickly currant Ribes lacustre Shrub 3 ft Shade-tolerant — Zone 1a
prickly rose Rosa acicularis Shrub 4 ft Shade-tolerant High Zone 3b
purple avens Geum rivale Wildflower (forb) 3 ft Sun High Zone 4a
purple locoweed Oxytropis lambertii Wildflower (forb) 1.4 ft Sun Low Zone 3b
purple milkvetch Astragalus agrestis Wildflower (forb) 1 ft Sun Low Zone 4a
purple oniongrass Melica spectabilis Grass or grass-like 2.5 ft Sun–part shade Low Zone 4a
purple poppymallow Callirhoe involucrata Wildflower (forb) 1 ft Sun Medium Zone 3b
purple prairie clover Dalea purpurea Wildflower (forb) 3 ft Sun Medium Zone 3b
purple threeawn Aristida purpurea Grass or grass-like 1.4 ft Sun Low Zone 4a
quaking aspen Populus tremuloides Tree 65 ft Sun High Zone 1a
rattlesnake fern Botrychium virginianum Fern 1.4 ft Shade-tolerant Medium Zone 3b
red elderberry Sambucus racemosa Tree 18 ft Sun–part shade High Zone 4a
red goosefoot Chenopodium rubrum Wildflower (forb) 3 ft Sun High Zone 12b
redosier dogwood Cornus sericea Tree 12 ft Sun High Zone 3b
reed canarygrass Phalaris arundinacea Grass or grass-like 5 ft Sun High Zone 3b
rice cutgrass Leersia oryzoides Grass or grass-like 4.9 ft Sun High Zone 4a
Richardson's geranium Geranium richardsonii Wildflower (forb) 3 ft Sun–part shade High Zone 3b
riverbank grape Vitis riparia Vine 45 ft Sun–part shade Medium Zone 4a
roadside agrimony Agrimonia striata Wildflower (forb) 6 ft Shade-tolerant Medium Zone 3a
Rocky Mountain beeplant Cleome serrulata Wildflower (forb) 3 ft Sun–part shade Medium Zone 12b
Rocky Mountain iris Iris missouriensis Wildflower (forb) 1 ft Sun–part shade High Zone 4b
Rocky Mountain juniper Juniperus scopulorum Tree 50 ft Sun Low Zone 3b
Rocky Mountain maple Acer glabrum Tree 30 ft Sun–part shade Low Zone 3a
Rocky Mountain penstemon Penstemon strictus Wildflower (forb) 2 ft Sun Low Zone 4a
Ross' avens Geum rossii Wildflower (forb) 5 in Sun–part shade Low Zone 10a
Ross' sedge Carex rossii Grass or grass-like 1 ft Sun–part shade Medium Zone 4a
rough bentgrass Agrostis scabra Grass or grass-like 2.5 ft Sun Medium Zone 3b
rough bugleweed Lycopus asper Wildflower (forb) 2.1 ft Shade-tolerant High Zone 3b
rubber rabbitbrush Ericameria nauseosa Shrub 4 ft Sun Medium Zone 3b
rufous bulrush Scirpus pendulus Grass or grass-like 4 ft Sun Medium Zone 3b
russet buffaloberry Shepherdia canadensis Shrub 6 ft Sun–part shade Medium Zone 1a
sagebrush buttercup Ranunculus glaberrimus Wildflower (forb) 6 in Sun High Zone 3a
sago pondweed Stuckenia pectinata Wildflower (forb) — Sun High Zone 3b
salt spring checkerbloom Sidalcea neomexicana Wildflower (forb) 2.5 ft Shade-tolerant High Zone 5a
saltgrass Distichlis spicata Grass or grass-like 1.1 ft Sun Medium Zone 3b
sand dropseed Sporobolus cryptandrus Grass or grass-like 3 ft Sun Low Zone 3b
sand lovegrass Eragrostis trichodes Grass or grass-like 3.5 ft Sun Medium Zone 5a
sandbar willow Salix interior Tree 30 ft Sun — Zone 1a
Sandberg bluegrass Poa secunda Grass or grass-like 1.4 ft Sun–part shade Low Zone 3b
sandcherry Prunus pumila Shrub 6 ft Shade-tolerant Low Zone 4a
sanddune wallflower Erysimum capitatum Wildflower (forb) 2.5 ft Sun Medium Zone 4b
Saskatoon serviceberry Amelanchier alnifolia Tree 15 ft Sun–part shade Medium Zone 1a
sawsepal penstemon Penstemon glaber Wildflower (forb) 2 ft Sun Medium Zone 3b
scarlet gilia Ipomopsis aggregata Wildflower (forb) 3 ft Sun Low Zone 5b
scarlet globemallow Sphaeralcea coccinea Wildflower (forb) 1.5 ft Sun Low Zone 5a
Scouler's willow Salix scouleriana Tree 50 ft Sun–part shade High Zone 6a
scratchgrass Muhlenbergia asperifolia Grass or grass-like 2 ft Shade-tolerant High Zone 5b
seep monkeyflower Mimulus guttatus Wildflower (forb) 2.5 ft Shade-tolerant High Zone 3b
shortawn foxtail Alopecurus aequalis Grass or grass-like 2.5 ft Sun–part shade High Zone 3b
shortfruit willow Salix brachycarpa Shrub 3.6 ft — — Zone 5a
showy locoweed Oxytropis splendens Wildflower (forb) 1 ft Sun Medium Zone 4a
showy milkweed Asclepias speciosa Wildflower (forb) 6 ft Sun Medium Zone 4a
shrubby cinquefoil Dasiphora fruticosa Shrub 2.5 ft Sun–part shade Low Zone 4b
sideoats grama Bouteloua curtipendula Grass or grass-like 3 ft Sun Medium Zone 3a
Sierra rush Juncus nevadensis Grass or grass-like 2 ft Sun–part shade High Zone 4a
silver buffaloberry Shepherdia argentea Tree 18 ft Sun–part shade Medium Zone 3b
silverleaf phacelia Phacelia hastata Wildflower (forb) 2 ft Sun–part shade Medium Zone 3b
silvery lupine Lupinus argenteus Wildflower (forb) 1.5 ft Sun Low Zone 3a
silvery sedge Carex canescens Grass or grass-like 2 ft Sun–part shade High Zone 4a
skunkbush sumac Rhus trilobata Shrub 4 ft Sun–part shade Low Zone 2a
slender flatsedge Cyperus bipartitus Grass or grass-like 5 ft Sun Medium Zone 10b
slender wheatgrass Elymus trachycaulus Grass or grass-like 3 ft Sun Medium Zone 3b
slenderbeak sedge Carex athrostachya Grass or grass-like 2 ft Sun–part shade High Zone 4a
slimstem reedgrass Calamagrostis stricta Grass or grass-like 3 ft Sun–part shade High Zone 3a
small enchanter's nightshade Circaea alpina Wildflower (forb) 11 in Shade-tolerant Medium Zone 3b
small floating mannagrass Glyceria borealis Grass or grass-like 4.9 ft Sun High Zone 4a
small white violet Viola macloskeyi Wildflower (forb) 6 in Shade-tolerant High Zone 4b
smallflowered woodrush Luzula parviflora Grass or grass-like 2 ft Shade-tolerant High Zone 4a
smallwing sedge Carex microptera Grass or grass-like 2 ft Sun High Zone 4a
smooth blue aster Symphyotrichum laeve Wildflower (forb) 4 ft Sun Medium Zone 3a
smooth horsetail Equisetum laevigatum Fern 5 ft Sun Low Zone 3b
smooth sumac Rhus glabra Tree 12 ft Sun Low Zone 4a
snowbrush ceanothus Ceanothus velutinus Tree 10 ft Sun Medium Zone 5a
soapweed yucca Yucca glauca Shrub 1 ft Sun Low Zone 4b
softleaf sedge Carex disperma Grass or grass-like 2 ft Sun–part shade High Zone 3b
softstem bulrush Schoenoplectus tabernaemontani Grass or grass-like 9 ft Sun High Zone 3b
southern waternymph Najas guadalupensis Wildflower (forb) 1 ft Sun High Zone 3b
southwestern showy sedge Carex bella Grass or grass-like 2 ft Sun–part shade High Zone 5b
spike bentgrass Agrostis exarata Grass or grass-like 3 ft Sun Medium Zone 3b
spike muhly Muhlenbergia wrightii Grass or grass-like 2 ft Sun Medium Zone 5b
spike trisetum Trisetum spicatum Grass or grass-like 1.9 ft Sun–part shade Medium Zone 3b
spiked woodrush Luzula spicata Grass or grass-like 1.3 ft Shade-tolerant High Zone 4a
spotted joe pye weed Eutrochium maculatum Wildflower (forb) 6 ft Sun–part shade High Zone 4b
spreading yellowcress Rorippa sinuata Wildflower (forb) 1 ft Sun Medium Zone 3b
squashberry Viburnum edule Shrub 2 ft Shade-tolerant — Zone 1a
squirreltail Elymus elymoides Grass or grass-like 1.5 ft Sun Low Zone 3a
star sedge Carex echinata Grass or grass-like 1.5 ft Sun–part shade High Zone 3b
stiff clubmoss Lycopodium annotinum Fern 1 ft Shade-tolerant High Zone 3a
stiff goldenrod Oligoneuron rigidum Wildflower (forb) 3.6 ft Sun–part shade Medium Zone 3a
subalpine fir Abies lasiocarpa Tree 90 ft Shade-tolerant Medium Zone 2a
sulphur-flower buckwheat Eriogonum umbellatum Shrub 1 ft Sun Low Zone 8a
swamp milkweed Asclepias incarnata Wildflower (forb) 4.9 ft Sun High Zone 3b
switchgrass Panicum virgatum Grass or grass-like 5 ft Sun Medium Zone 3a
tall cinquefoil Potentilla arguta Wildflower (forb) 3 ft Sun–part shade Medium Zone 3b
tall cottongrass Eriophorum angustifolium Grass or grass-like 2 ft Sun High Zone 3a
tall fringed bluebells Mertensia ciliata Wildflower (forb) 2 ft Sun–part shade High Zone 5a
tanseyleaf tansyaster Machaeranthera tanacetifolia Wildflower (forb) 2 ft Sun Medium Zone 4a
tapertip flatsedge Cyperus acuminatus Grass or grass-like 1.3 ft Sun–part shade High Zone 3b
tapertip rush Juncus acuminatus Grass or grass-like 3 ft Sun–part shade High Zone 4a
tenpetal blazingstar Mentzelia decapetala Wildflower (forb) 3.5 ft Sun Medium Zone 3b
textile onion Allium textile Wildflower (forb) 1 ft Sun–part shade Medium Zone 3b
thickspike wheatgrass Elymus lanceolatus Grass or grass-like 2.3 ft Sun Low Zone 3b
thimbleberry Rubus parviflorus Shrub 4 ft Sun–part shade High Zone 4b
threelobe beggarticks Bidens tripartita Wildflower (forb) 3.5 ft Sun–part shade High Zone 12a
threepetal bedstraw Galium trifidum Vine 10 in Sun–part shade High Zone 3b
threetooth ragwort Packera tridenticulata Wildflower (forb) 3 ft Sun Medium Zone 5a
Thurber's fescue Festuca thurberi Grass or grass-like 2 ft Sun Low Zone 4a
timber oatgrass Danthonia intermedia Grass or grass-like 1.5 ft Sun–part shade Low Zone 4a
tiny mousetail Myosurus minimus Wildflower (forb) 5 in Sun–part shade Medium Zone 12b
toad rush Juncus bufonius Grass or grass-like 1 ft Sun Medium Zone 12a
Torrey's rush Juncus torreyi Grass or grass-like 3.1 ft Sun Medium Zone 3b
tufted hairgrass Deschampsia cespitosa Grass or grass-like 3.4 ft Sun Low Zone 3b
twinberry honeysuckle Lonicera involucrata Shrub 10 ft Shade-tolerant High Zone 3a
twoflowered rush Juncus biglumis Grass or grass-like 1 ft Sun–part shade High Zone 3b
twoheaded water-starwort Callitriche heterophylla Wildflower (forb) — Sun High Zone 4a
twoneedle pinyon Pinus edulis Tree 50 ft Sun Low Zone 4a
umbrella starwort Stellaria umbellata Wildflower (forb) 1 ft Shade-tolerant High Zone 4b
upright prairie coneflower Ratibida columnifera Wildflower (forb) 3.1 ft Sun Medium Zone 3a
Utah serviceberry Amelanchier utahensis Tree 15 ft Sun–part shade Medium Zone 4b
Utah sweetvetch Hedysarum boreale Wildflower (forb) 2 ft Sun Medium Zone 3b
variableleaf pondweed Potamogeton gramineus Wildflower (forb) — Sun High Zone 3b
vernal water-starwort Callitriche palustris Wildflower (forb) 10 in Sun Medium Zone 4a
water birch Betula occidentalis Tree 25 ft Sun–part shade High Zone 1a
water knotweed Polygonum amphibium Wildflower (forb) 1 in Sun High Zone 5a
water sedge Carex aquatilis Grass or grass-like 2.9 ft Sun High Zone 3b
waterthread pondweed Potamogeton diversifolius Wildflower (forb) 3.2 ft Sun High Zone 3b
wax currant Ribes cereum Shrub 3 ft Sun Low Zone 5a
western goldentop Euthamia occidentalis Wildflower (forb) 6 ft Sun Medium Zone 4b
western pearly everlasting Anaphalis margaritacea Wildflower (forb) 3 ft Sun–part shade Medium Zone 3a
western snowberry Symphoricarpos occidentalis Shrub 3 ft Sun–part shade Low Zone 3b
western wheatgrass Pascopyrum smithii Grass or grass-like 2 ft Sun Medium Zone 3a
western white clematis Clematis ligusticifolia Vine 1 ft Sun–part shade Medium Zone 3b
wheat sedge Carex atherodes Grass or grass-like 5 ft Sun High Zone 3b
Whipple's penstemon Penstemon whippleanus Wildflower (forb) 3 ft Sun–part shade Medium Zone 4a
white hawkweed Hieracium albiflorum Wildflower (forb) 3 ft Sun–part shade Low Zone 4a
white panicle aster Symphyotrichum lanceolatum Wildflower (forb) 6 ft Sun–part shade High Zone 3b
white prairie clover Dalea candida Wildflower (forb) 2 ft Sun–part shade Medium Zone 3b
white sagebrush Artemisia ludoviciana Wildflower (forb) 3 ft Sun Low Zone 4a
whitestem gooseberry Ribes inerme Shrub 8 ft Shade-tolerant Medium Zone 4b
wild bergamot Monarda fistulosa Wildflower (forb) 4.9 ft Sun–part shade High Zone 4a
wild sarsaparilla Aralia nudicaulis Wildflower (forb) 1.5 ft Shade-tolerant Medium Zone 3b
winterfat Krascheninnikovia lanata Shrub 2 ft Sun Low Zone 2a
Woods' rose Rosa woodsii Shrub 3 ft Sun–part shade Medium Zone 3a
woolly groundsel Packera cana Wildflower (forb) 1.5 ft Sun Low Zone 3a
woolly plantain Plantago patagonica Wildflower (forb) 6 in Sun Low Zone 12b
yellow owl's-clover Orthocarpus luteus Wildflower (forb) 1.5 ft Sun Low Zone 12b
yerba mansa Anemopsis californica Wildflower (forb) 1.5 ft Sun High Zone 9b

Other native species recorded here 348

PLANTS has no growing records for these, so light, moisture, height and zone filters cannot include them. Many are wild species seldom sold by nurseries.

  • alpine bluegrass Poa alpina
  • alpine fescue Festuca brachyphylla
  • alpine lewisia Lewisia pygmaea
  • alpine milkvetch Astragalus alpinus
  • alpine pondweed Potamogeton alpinus
  • American dragonhead Dracocephalum parviflorum
  • American mannagrass Glyceria grandis
  • American rockbrake Cryptogramma acrostichoides
  • American sloughgrass Beckmannia syzigachne
  • American yellowrocket Barbarea orthoceras
  • annual buckwheat Eriogonum annuum
  • Apocynum ×floribundum Apocynum ×floribundum
  • aridland goosefoot Chenopodium desiccatum
  • Aunt Lucy Ellisia nyctelea
  • autumn dwarf gentian Gentianella amarella
  • autumn willow Salix serissima
  • awned halfchaff sedge Lipocarpha aristulata
  • azure blue sage Salvia azurea
  • bastard toadflax Comandra umbellata
  • bearded flatsedge Cyperus squarrosus
  • beautiful cinquefoil Potentilla pulcherrima
  • beautiful sandwort Minuartia rubella
  • Bebb willow Salix bebbiana
  • big devils beggartick Bidens vulgata
  • bigbract verbena Verbena bracteata
  • bighead pygmycudweed Evax prolifera
  • bigseed alfalfa dodder Cuscuta indecora
  • bitter fleabane Erigeron acris
  • blite goosefoot Chenopodium capitatum
  • bluntleaf sandwort Moehringia lateriflora
  • bluntleaf yellowcress Rorippa curvipes
  • bluntleaved orchid Platanthera obtusata
  • bog yellowcress Rorippa palustris
  • boreal bog sedge Carex magellanica
  • bottlebrush sedge Carex hystericina
  • brittle bladderfern Cystopteris fragilis
  • brittle pricklypear Opuntia fragilis
  • brook cinquefoil Potentilla rivalis
  • browneyed Susan Rudbeckia triloba
  • brownish sedge Carex brunnescens
  • buffalobur nightshade Solanum rostratum
  • bushy knotweed Polygonum ramosissimum
  • Canada lettuce Lactuca canadensis
  • Canadian anemone Anemone canadensis
  • candle anemone Anemone cylindrica
  • carelessweed Cyclachaena xanthiifolia
  • Carolina draba Draba reptans
  • Carolina larkspur Delphinium carolinianum
  • chaffweed Anagallis minima
  • chairmaker's bulrush Schoenoplectus americanus
  • clammy groundcherry Physalis heterophylla
  • clammy hedgehyssop Gratiola neglecta
  • clasping Venus' looking-glass Triodanis perfoliata
  • clustered broomrape Orobanche fasciculata
  • common bladderwort Utricularia macrorhiza
  • common starlily Leucocrinum montanum
  • common yellow oxalis Oxalis stricta
  • cottonbatting plant Pseudognaphalium stramineum
  • Cuman ragweed Ambrosia psilostachya
  • curlycup gumweed Grindelia squarrosa
  • curlytop knotweed Polygonum lapathifolium
  • cutleaf nightshade Solanum triflorum
  • Dakota mock vervain Glandularia bipinnatifida
  • desert goosefoot Chenopodium pratericola
  • desert princesplume Stanleya pinnata
  • ditch rabbitsfoot grass Polypogon interruptus
  • Douglas' knotweed Polygonum douglasii
  • Drummond's campion Silene drummondii
  • dryspike sedge Carex siccata
  • Dudley's rush Juncus dudleyi
  • dwarf red blackberry Rubus pubescens
  • elkweed Frasera speciosa
  • Emory's sedge Carex emoryi
  • fairy slipper Calypso bulbosa
  • false buffalograss Munroa squarrosa
  • false melic Schizachne purpurascens
  • falsegold groundsel Packera pseudaurea
  • feathery false lily of the valley Maianthemum racemosum
  • fetid marigold Dyssodia papposa
  • fewflower spikerush Eleocharis quinqueflora
  • fineleaf hymenopappus Hymenopappus filifolius
  • fireberry hawthorn Crataegus chrysocarpa
  • flatspine stickseed Lappula occidentalis
  • fleshy hawthorn Crataegus succulenta
  • Flodman's thistle Cirsium flodmanii
  • forked threeawn Aristida basiramea
  • foxtail barley Hordeum jubatum
  • fragrant bedstraw Galium triflorum
  • Fremont's goosefoot Chenopodium fremontii
  • fringed loosestrife Lysimachia ciliata
  • fringed willowherb Epilobium ciliatum
  • Geyer's sandmat Chamaesyce geyeri
  • giant red Indian paintbrush Castilleja miniata
  • grand redstem Ammannia robusta
  • great blue lobelia Lobelia siphilitica
  • Great Plains flatsedge Cyperus lupulinus
  • great ragweed Ambrosia trifida
  • green carpetweed Mollugo verticillata
  • green comet milkweed Asclepias viridiflora
  • greenflowered wintergreen Pyrola chlorantha
  • groundplum milkvetch Astragalus crassicarpus
  • hairy evening primrose Oenothera villosa
  • hairy four o'clock Mirabilis hirsuta
  • hairy hedgenettle Stachys pilosa
  • hairy waterclover Marsilea vestita
  • hairy woodland brome Bromus pubescens
  • hairyseed paspalum Paspalum pubiflorum
  • heartleaf four o'clock Mirabilis nyctaginea
  • heartleaf twayblade Listera cordata
  • hedge false bindweed Calystegia sepium
  • hoary frostweed Helianthemum bicknellii
  • hoary verbena Verbena stricta
  • hooded coralroot Corallorhiza striata
  • hookedspur violet Viola adunca
  • Hopi tea greenthread Thelesperma megapotamicum
  • horned pondweed Zannichellia palustris
  • Hornemann's willowherb Epilobium hornemannii
  • Howell's pussytoes Antennaria howellii
  • ivyleaf groundcherry Physalis hederifolia
  • James' cryptantha Cryptantha cinerea
  • Jersey tea Ceanothus herbaceus
  • lacy tansyaster Machaeranthera pinnatifida
  • lanceleaf figwort Scrophularia lanceolata
  • lanceleaf sage Salvia reflexa
  • large St. Johnswort Hypericum majus
  • Laxmann's milkvetch Astragalus laxmannii
  • least duckweed Lemna minuta
  • leathery knotweed Polygonum achoreum
  • lemon scurfpea Psoralidium lanceolatum
  • lesser spikemoss Selaginella densa
  • lilac penstemon Penstemon gracilis
  • little grapefern Botrychium simplex
  • liverleaf wintergreen Pyrola asarifolia
  • long-stolon sedge Carex inops
  • longbract frog orchid Dactylorhiza viridis
  • longleaf groundcherry Physalis longifolia
  • longstyle sweetroot Osmorhiza longistylis
  • Louisiana broomrape Orobanche ludoviciana
  • Louisiana vetch Vicia ludoviciana
  • lowland rotala Rotala ramosior
  • Macoun's cudweed Pseudognaphalium macounii
  • Macoun's false bindweed Calystegia macounii
  • maidenhair spleenwort Asplenium trichomanes
  • male fern Dryopteris filix-mas
  • manyflower stickseed Hackelia floribunda
  • manyflowered monkeyflower Mimulus floribundus
  • mapleleaf goosefoot Chenopodium simplex
  • marsh arrowgrass Triglochin palustris
  • marsh skullcap Scutellaria galericulata
  • Maryland sanicle Sanicula marilandica
  • mat sandbur Cenchrus longispinus
  • meadow deathcamas Zigadenus venenosus
  • meadow horsetail Equisetum pratense
  • meadow sedge Carex praticola
  • mealy goosefoot Chenopodium incanum
  • milkflower willowherb Epilobium lactiflorum
  • Mingan moonwort Botrychium minganense
  • Missouri foxtail cactus Escobaria missouriensis
  • Mojave seablite Suaeda moquinii
  • moss campion Silene acaulis
  • mountain deathcamas Zigadenus elegans
  • mountain tansymustard Descurainia incana
  • mountain tarweed Madia glomerata
  • narrowleaf bur-reed Sparganium angustifolium
  • narrowleaf four o'clock Mirabilis linearis
  • narrowleaf goosefoot Chenopodium leptophyllum
  • narrowleaf purple coneflower Echinacea angustifolia
  • narrowleaf stoneseed Lithospermum incisum
  • neckweed Veronica peregrina
  • needleleaf sedge Carex duriuscula
  • New England aster Symphyotrichum novae-angliae
  • nodding onion Allium cernuum
  • northern bentgrass Agrostis mertensii
  • northern bog aster Symphyotrichum boreale
  • northern bog violet Viola nephrophylla
  • northern bugleweed Lycopus uniflorus
  • northern green rush Juncus alpinoarticulatus
  • northern hollyfern Polystichum lonchitis
  • Northern Idaho biscuitroot Lomatium orientale
  • northern sweetgrass Hierochloe hirta
  • northern water plantain Alisma triviale
  • Norway sedge Carex norvegica
  • Norwegian cinquefoil Potentilla norvegica
  • oneflowered broomrape Orobanche uniflora
  • Oregon cliff fern Woodsia oregana
  • pale false mannagrass Torreyochloa pallida
  • pale spikerush Eleocharis macrostachya
  • Paradox cinquefoil Potentilla paradoxa
  • Pennsylvania cinquefoil Potentilla pensylvanica
  • Pennsylvania pellitory Parietaria pensylvanica
  • pimpernel willowherb Epilobium anagallidifolium
  • pinesap Monotropa hypopitys
  • pinyon goosefoot Chenopodium atrovirens
  • pitseed goosefoot Chenopodium berlandieri
  • plains bluegrass Poa arida
  • plains springparsley Cymopterus acaulis
  • pleated gentian Gentiana affinis
  • pony beebalm Monarda pectinata
  • Porter brome Bromus porteri
  • poverty oatgrass Danthonia spicata
  • povertyweed Iva axillaris
  • prairie false dandelion Nothocalais cuspidata
  • prairie groundcherry Physalis hispida
  • prairie groundsel Packera plattensis
  • prairie plantain Plantago elongata
  • prairie rose Rosa arkansana
  • prairie sandmat Chamaesyce missurica
  • prairie spiderwort Tradescantia occidentalis
  • prairie sunflower Helianthus petiolaris
  • prairie violet Viola pedatifida
  • pullup muhly Muhlenbergia filiformis
  • purple meadow-rue Thalictrum dasycarpum
  • purple rattlesnakeroot Prenanthes racemosa
  • purple reedgrass Calamagrostis purpurascens
  • pygmyflower rockjasmine Androsace septentrionalis
  • ram's horn Proboscidea louisianica
  • rayless alkali aster Symphyotrichum ciliatum
  • red baneberry Actaea rubra
  • redwhisker clammyweed Polanisia dodecandra
  • redwool plantain Plantago eriopoda
  • ribseed sandmat Chamaesyce glyptosperma
  • Richardson's pondweed Potamogeton richardsonii
  • Rocky Mountain fescue Festuca saximontana
  • Rocky Mountain rush Juncus saximontanus
  • Rocky Mountain sedge Carex saximontana
  • Rocky Mountain woodsia Woodsia scopulina
  • rosy pussytoes Antennaria rosea
  • rough barnyardgrass Echinochloa muricata
  • rough false pennyroyal Hedeoma hispida
  • roughfruit fairybells Prosartes trachycarpa
  • roughleaf ricegrass Oryzopsis asperifolia
  • rush skeletonplant Lygodesmia juncea
  • rusty lupine Lupinus pusillus
  • saltmeadow rush Juncus gerardii
  • sand sagebrush Artemisia filifolia
  • sanddune cryptantha Cryptantha fendleri
  • sandhill amaranth Amaranthus arenicola
  • scarlet beeblossom Oenothera suffrutescens
  • scentbottle Platanthera dilatata
  • Schweinitz's flatsedge Cyperus schweinitzii
  • scrambled eggs Corydalis aurea
  • shaggy dwarf morning-glory Evolvulus nuttallianus
  • shaggy fleabane Erigeron pumilus
  • shortbeak sedge Carex brevior
  • shortray fleabane Erigeron lonchophyllus
  • shortspike watermilfoil Myriophyllum sibiricum
  • shortstalk chickweed Cerastium brachypodum
  • shy wallflower Erysimum inconspicuum
  • sidebells wintergreen Orthilia secunda
  • silverleaf Indian breadroot Pediomelum argophyllum
  • silverleaf nightshade Solanum elaeagnifolium
  • single delight Moneses uniflora
  • sixweeks fescue Vulpia octoflora
  • skeletonleaf bur ragweed Ambrosia tomentosa
  • sleepy silene Silene antirrhina
  • slender lipfern Cheilanthes feei
  • slender phlox Microsteris gracilis
  • slender snakecotton Froelichia gracilis
  • slender yellow woodsorrel Oxalis dillenii
  • slender-spire orchid Piperia unalascensis
  • slenderleaf false foxglove Agalinis tenuifolia
  • slimflower scurfpea Psoralidium tenuiflorum
  • slimleaf milkweed Asclepias stenophylla
  • slimleaf panicgrass Dichanthelium linearifolium
  • slimpod Venus' looking-glass Triodanis leptocarpa
  • small bur-reed Sparganium natans
  • small pondweed Potamogeton pusillus
  • small-leaf pussytoes Antennaria parvifolia
  • snow on the mountain Euphorbia marginata
  • snowball sand verbena Abronia fragrans
  • snowline wintergreen Pyrola minor
  • soft-hair marbleseed Onosmodium bejariense
  • spearleaf stonecrop Sedum lanceolatum
  • spiral ditchgrass Ruppia cirrhosa
  • spotted water hemlock Cicuta maculata
  • spreading dogbane Apocynum androsaemifolium
  • spreading fleabane Erigeron divergens
  • Sprengel's sedge Carex sprengelii
  • spring coralroot Corallorhiza wisteriana
  • starry false lily of the valley Maianthemum stellatum
  • stemless four-nerve daisy Tetraneuris acaulis
  • stemless Townsend daisy Townsendia exscapa
  • stiff sunflower Helianthus pauciflorus
  • strapleaf willow Salix ligulifolia
  • strict blue-eyed grass Sisyrinchium montanum
  • summer coralroot Corallorhiza maculata
  • swamp verbena Verbena hastata
  • sweetcicely Osmorhiza berteroi
  • tall annual willowherb Epilobium brachycarpum
  • tall blue lettuce Lactuca biennis
  • tarragon Artemisia dracunculus
  • tasselflower brickellbush Brickellia grandiflora
  • Texas bergia Bergia texana
  • Texas toadflax Nuttallanthus texanus
  • thread rush Juncus filiformis
  • threenerve goldenrod Solidago velutina
  • tiny trumpet Collomia linearis
  • tobacco root Valeriana edulis
  • tower rockcress Arabis glabra
  • trailing fleabane Erigeron flagellaris
  • tufted lovegrass Eragrostis pectinacea
  • tumble windmill grass Chloris verticillata
  • tumblegrass Schedonnardus paniculatus
  • twinflower Linnaea borealis
  • twistspine pricklypear Opuntia macrorhiza
  • twoleaf waterweed Elodea bifoliata
  • variegated scouringrush Equisetum variegatum
  • Vasey's rush Juncus vaseyi
  • veiny dock Rumex venosus
  • velvetweed Oenothera curtiflora
  • velvety goldenrod Solidago mollis
  • Virginia groundcherry Physalis virginiana
  • Virginia pepperweed Lepidium virginicum
  • Virginia strawberry Fragaria virginiana
  • warty caltrop Kallstroemia parviflora
  • warty spurge Euphorbia spathulata
  • water minerslettuce Montia chamissoi
  • water mudwort Limosella aquatica
  • wedgeleaf Phyla cuneifolia
  • western blue virginsbower Clematis occidentalis
  • western marsh cudweed Gnaphalium palustre
  • western oakfern Gymnocarpium dryopteris
  • western poison ivy Toxicodendron rydbergii
  • western rattlesnake plantain Goodyera oblongifolia
  • western rockjasmine Androsace occidentalis
  • western tansymustard Descurainia pinnata
  • western waterweed Elodea nuttallii
  • white adder's-mouth orchid Malaxis brachypoda
  • white heath aster Symphyotrichum ericoides
  • white prairie aster Symphyotrichum falcatum
  • white violet Viola renifolia
  • whitest evening primrose Oenothera albicaulis
  • whitestem blazingstar Mentzelia albicaulis
  • wild cucumber Echinocystis lobata
  • winged lythrum Lythrum alatum
  • winged pigweed Cycloloma atriplicifolium
  • witchgrass Panicum capillare
  • wood bluegrass Poa nemoralis
  • wood lily Lilium philadelphicum
  • woodland draba Draba nemorosa
  • woodland pinedrops Pterospora andromedea
  • woodland strawberry Fragaria vesca
  • woolly cinquefoil Potentilla hippiana
  • woolly sedge Carex pellita
  • Wright's cudweed Pseudognaphalium canescens
  • yellow avens Geum aleppicum
  • yellow coralroot Corallorhiza trifida
  • yellowseed false pimpernel Lindernia dubia
Also listed as native and introduced here 5

PLANTS labels these species both native and introduced in this state: some forms are native and others were brought in from elsewhere. Most gardeners should choose plants from the main list.

  • annual ragweedAmbrosia artemisiifolia
  • biennial wormwoodArtemisia biennis
  • claspleaf twistedstalkStreptopus amplexifolius
  • common reedPhragmites australis
  • Kentucky bluegrassPoa pratensis

Compared with Colorado

The typical county is the median of the 63 Colorado counties with PLANTS county records; the statewide figure counts every species native anywhere in the state. More species is not better or worse: counties differ in size, habitat and how thoroughly they have been surveyed.

Native species counts, Boulder County and Colorado
MeasureBoulder CountyTypical countyStatewide
Native species 735 237 1,119
Garden-ready natives 387 148 585
Tree 50 — 66
Shrub 51 — 92
Wildflower (forb) 416 — 626
Grass or grass-like 185 — 278
Vine 13 — 20
Fern 20 — 37

Neighboring counties

Counties that share a ZIP code with Boulder County.

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Matches your ZIP to the county it mostly lies in, then lists the plants recorded as native to your state (Kew’s World Checklist and USDA PLANTS) and recorded in that county by USDA PLANTS.

Source & data date

Source
USDA NRCS PLANTS Database: county distribution records, native status and plant characteristics. CC0 (public domain dedication, per the data.gov catalog record).
Kew’s World Checklist of Vascular Plants (WCVP): native or introduced status by state. CC BY 3.0.
USGS US-RIIS (ver. 2.0): species listed as introduced are excluded. CC0.
Citation
USDA, NRCS. 2026. The PLANTS Database (https://plants.usda.gov, 11/04/2026). National Plant Data Team, Greensboro, NC USA.
Govaerts R. (ed.) (2026). WCVP: World Checklist of Vascular Plants. Facilitated by the Royal Botanic Gardens, Kew. Data file dated 2026-06-04, http://sftp.kew.org/pub/data-repositories/WCVP/ (retrieved 2026-11-04). Paper: Govaerts R. et al. (2021) The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. Scientific Data 8, 215.
Data date
Retrieved from PLANTS on November 4, 2026; WCVP data file dated June 4, 2026.
Zones
USDA Plant Hardiness Zone Map (2023) ZIP table: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 3, 2026. Plant zones on this site are our estimate, not the official map.
Scope
Boulder County (county FIPS 08013), Colorado. 735 native species from PLANTS county distribution records; garden-ready = species with a PLANTS characteristics record.
Method
A species is listed when it is recorded as native to the state in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in the county by USDA PLANTS. Species PLANTS labels both native and introduced are listed separately. Full method · All sources

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