Native plants · Utah

Native plants of Iron County

378 plant species are recorded as native to Utah in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Iron County by USDA PLANTS. 250 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 3 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Iron County, Utah

Native species: 378 Typical Utah county: 434 (median of 29 counties)
Garden-ready natives: 250 Typical Utah county: 290
Share by type (all 378 native species): Percent of the 378 native species in each growth type

Tree 9% (35)
Shrub 13% (51)
Wildflower (forb) 54% (204)
Grass or grass-like 20% (75)
Vine 1% (5)
Fern 2% (8)

Wildflowers make up the largest share of the native list (54%), followed by grasses and grass-like plants (20%).

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 7a (2023 map).

The native plant list

Garden-ready natives 250

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

Garden-ready native plants of Iron County, Utah
Plant	Type	Height	Light	Water use	Hardy 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
alpine bistort Polygonum viviparum	Wildflower (forb)	1 ft	Sun	High	Zone 3b
alpine leafybract aster Symphyotrichum foliaceum	Wildflower (forb)	2 ft	Sun	Medium	Zone 3b
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 speedwell Veronica americana	Wildflower (forb)	10 in	Shade-tolerant	High	Zone 3b
American vetch Vicia americana	Vine	1.3 ft	Sun	Low	Zone 3b
antelope bitterbrush Purshia tridentata	Shrub	6 ft	Sun–part shade	Low	Zone 3b
Apache plume Fallugia paradoxa	Shrub	6 ft	Sun	Low	Zone 5a
arctic bluegrass Poa arctica	Grass or grass-like	2 ft	Sun	—	Zone 1a
arrowleaf balsamroot Balsamorhiza sagittata	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
banana yucca Yucca baccata	Shrub	4 ft	Sun	Low	Zone 7a
basin wildrye Leymus cinereus	Grass or grass-like	5 ft	Sun	High	Zone 3a
beaked spikerush Eleocharis rostellata	Grass or grass-like	3 ft	Sun	High	Zone 4b
big sagebrush Artemisia tridentata	Tree	4 ft	Sun	Medium	Zone 3a
Bigelow's tansyaster Machaeranthera bigelovii	Wildflower (forb)	4 ft	Sun	Low	Zone 10b
bigtooth maple Acer grandidentatum	Tree	38 ft	Sun–part shade	Medium	Zone 4a
black sagebrush Artemisia nova	Shrub	2 ft	Sun	Low	Zone 5a
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
bluebunch wheatgrass Pseudoroegneria spicata	Grass or grass-like	3 ft	Sun	Low	Zone 3b
bluntseed sweetroot Osmorhiza depauperata	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 4a
Booth's willow Salix boothii	Shrub	24 ft	Shade-tolerant	High	Zone 8b
boxelder Acer negundo	Tree	60 ft	Shade-tolerant	Medium	Zone 2b
broadbeard beardtongue Penstemon angustifolius	Wildflower (forb)	3 ft	Sun	Low	Zone 4b
broom snakeweed Gutierrezia sarothrae	Shrub	1.5 ft	Sun	Medium	Zone 3b
bud sagebrush Picrothamnus desertorum	Shrub	2 ft	Sun	Low	Zone 3a
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
Chamisso arnica Arnica chamissonis	Wildflower (forb)	2.5 ft	Sun–part shade	High	Zone 4a
chokecherry Prunus virginiana	Tree	25 ft	Sun	Medium	Zone 3a
Colorado blue columbine Aquilegia coerulea	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 4b
Colorado four o'clock Mirabilis multiflora	Wildflower (forb)	2 ft	Sun	Low	Zone 5b
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 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 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
creeping barberry Mahonia repens	Shrub	2 ft	Shade-tolerant	Medium	Zone 5a
creosote bush Larrea tridentata	Shrub	10 ft	Sun	Low	Zone 5a
curl-leaf mountain mahogany Cercocarpus ledifolius	Tree	20 ft	Sun–part shade	Low	Zone 2b
cursed buttercup Ranunculus sceleratus	Wildflower (forb)	2 ft	Shade-tolerant	High	Zone 12b
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
desert almond Prunus fasciculata	Shrub	6 ft	Sun	Low	Zone 8b
desert bitterbrush Purshia glandulosa	Shrub	5 ft	Sun	Low	Zone 6a
desert ceanothus Ceanothus greggii	Shrub	7 ft	Sun	Low	Zone 6a
desert sweet Chamaebatiaria millefolium	Shrub	6 ft	Sun	Low	Zone 5a
diamondleaf willow Salix planifolia	Tree	8 ft	Sun	Medium	Zone 3b
Douglas-fir Pseudotsuga menziesii	Tree	200 ft	Sun–part shade	Medium	Zone 4a
Douglas' dustymaiden Chaenactis douglasii	Wildflower (forb)	1.6 ft	Sun–part shade	Low	Zone 3b
Douglas' sedge Carex douglasii	Grass or grass-like	1.5 ft	Sun	Medium	Zone 4a
Drummond's rockcress Arabis drummondii	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
Drummond's willow Salix drummondiana	Shrub	12 ft	Sun–part shade	High	Zone 4b
Eaton's fleabane Erigeron eatonii	Wildflower (forb)	10 in	Sun	Low	Zone 5b
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
field horsetail Equisetum arvense	Fern	11 in	Sun–part shade	High	Zone 3a
firecracker penstemon Penstemon eatonii	Wildflower (forb)	4 ft	Sun–part shade	Low	Zone 4a
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
foothill deathcamas Zigadenus paniculatus	Wildflower (forb)	1.6 ft	Sun	Medium	Zone 4a
fourwing saltbush Atriplex canescens	Shrub	4 ft	Sun	Medium	Zone 3a
fowl mannagrass Glyceria striata	Grass or grass-like	5.7 ft	Shade-tolerant	Medium	Zone 3b
freckled milkvetch Astragalus lentiginosus	Shrub	1.4 ft	Sun	Low	Zone 4b
Fremont cottonwood Populus fremontii	Tree	90 ft	Sun	High	Zone 6a
fringed brome Bromus ciliatus	Grass or grass-like	4 ft	Shade-tolerant	Medium	Zone 7a
Gambel oak Quercus gambelii	Tree	40 ft	Sun	Low	Zone 3a
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
gooseberry currant Ribes montigenum	Shrub	1 ft	Sun–part shade	Medium	Zone 7a
gooseberryleaf globemallow Sphaeralcea grossulariifolia	Wildflower (forb)	2 ft	Sun–part shade	Low	Zone 5a
granite prickly phlox Linanthus pungens	Wildflower (forb)	2 ft	Shade-tolerant	Low	Zone 4a
gray aster Eurybia glauca	Wildflower (forb)	2 ft	Sun	Medium	Zone 3a
greasewood Sarcobatus vermiculatus	Shrub	10 ft	Sun	Low	Zone 3b
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 molly Bassia americana	Shrub	2 ft	Sun	Low	Zone 4a
green needlegrass Nassella viridula	Grass or grass-like	2 ft	Sun	Low	Zone 3b
greenleaf manzanita Arctostaphylos patula	Shrub	6 ft	Sun–part shade	Medium	Zone 4b
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
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
Hooker's evening primrose Oenothera elata	Wildflower (forb)	5 ft	Sun	High	Zone 5a
Idaho blue-eyed grass Sisyrinchium idahoense	Wildflower (forb)	1.7 ft	Shade-tolerant	High	Zone 3b
Idaho fescue Festuca idahoensis	Grass or grass-like	2 ft	Sun–part shade	Medium	Zone 3b
Indian ricegrass Achnatherum hymenoides	Grass or grass-like	2 ft	Sun	Low	Zone 3a
Indianhemp Apocynum cannabinum	Wildflower (forb)	3.3 ft	Sun–part shade	High	Zone 3a
inland sedge Carex interior	Grass or grass-like	1.5 ft	Sun–part shade	High	Zone 3b
James' galleta Pleuraphis jamesii	Grass or grass-like	2 ft	Sun	Low	Zone 5a
King's sandwort Arenaria kingii	Wildflower (forb)	8 in	Sun	Low	Zone 4b
lambstongue ragwort Senecio integerrimus	Wildflower (forb)	1.1 ft	Sun–part shade	Medium	Zone 3b
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
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
littleleaf mock orange Philadelphus microphyllus	Shrub	15 ft	Sun	Low	Zone 5a
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
longleaf phlox Phlox longifolia	Wildflower (forb)	1.2 ft	Sun–part shade	Low	Zone 6a
longstalk clover Trifolium longipes	Wildflower (forb)	6 in	Sun–part shade	Medium	Zone 8a
longstyle rush Juncus longistylis	Grass or grass-like	1.8 ft	Sun–part shade	High	Zone 3b
low pussytoes Antennaria dimorpha	Wildflower (forb)	4 in	Sun–part shade	Low	Zone 3b
maiden blue eyed Mary Collinsia parviflora	Wildflower (forb)	1 ft	Shade-tolerant	Medium	Zone 4a
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
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 gourd Cucurbita foetidissima	Vine	1 ft	Sun	Low	Zone 5a
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 pepperweed Lepidium montanum	Wildflower (forb)	10 in	Sun–part shade	Low	Zone 4a
mountain snowberry Symphoricarpos oreophilus	Shrub	5 ft	Sun–part shade	Low	Zone 4a
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 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
nettleleaf giant hyssop Agastache urticifolia	Wildflower (forb)	5 ft	Sun–part shade	Medium	Zone 4a
Nootka rose Rosa nutkana	Shrub	10 ft	Shade-tolerant	High	Zone 8a
northern singlespike sedge Carex scirpoidea	Grass or grass-like	1.5 ft	Shade-tolerant	Medium	Zone 3b
Northwest Territory sedge Carex utriculata	Grass or grass-like	3.5 ft	Sun	High	Zone 3a
northwestern Indian paintbrush Castilleja angustifolia	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4a
Nuttall's povertyweed Monolepis nuttalliana	Wildflower (forb)	10 in	Sun	Medium	Zone 12a
oceanspray Holodiscus discolor	Shrub	12 ft	Sun	High	Zone 8a
old man's whiskers Geum triflorum	Wildflower (forb)	1.5 ft	Sun–part shade	Medium	Zone 3b
oneflower helianthella Helianthella uniflora	Wildflower (forb)	2 ft	Sun–part shade	Low	Zone 5a
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
pale desert-thorn Lycium pallidum	Shrub	6 ft	Sun	Medium	Zone 6a
pale evening primrose Oenothera pallida	Wildflower (forb)	2 ft	Sun	Low	Zone 3b
Parry's rush Juncus parryi	Grass or grass-like	1 ft	Sun–part shade	Low	Zone 4a
pine dropseed Blepharoneuron tricholepis	Grass or grass-like	3 ft	Sun–part shade	Low	Zone 5a
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
prairie Junegrass Koeleria macrantha	Grass or grass-like	1.5 ft	Shade-tolerant	High	Zone 3b
purple milkvetch Astragalus agrestis	Wildflower (forb)	1 ft	Sun	Low	Zone 4a
purple sage Salvia dorrii	Shrub	2.5 ft	Sun	Medium	Zone 5a
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
red elderberry Sambucus racemosa	Tree	18 ft	Sun–part shade	High	Zone 4a
redosier dogwood Cornus sericea	Tree	12 ft	Sun	High	Zone 3b
Richardson's geranium Geranium richardsonii	Wildflower (forb)	3 ft	Sun–part shade	High	Zone 3b
Rocky Mountain beeplant Cleome serrulata	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 12b
Rocky Mountain goldenrod Solidago multiradiata	Wildflower (forb)	1 ft	Sun	—	Zone 1a
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
rubber rabbitbrush Ericameria nauseosa	Shrub	4 ft	Sun	Medium	Zone 3b
russet buffaloberry Shepherdia canadensis	Shrub	6 ft	Sun–part shade	Medium	Zone 1a
Rydberg's penstemon Penstemon rydbergii	Wildflower (forb)	3 ft	Sun	Low	Zone 3b
salt heliotrope Heliotropium curassavicum	Wildflower (forb)	1.2 ft	Sun	Medium	Zone 4b
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
Sandberg bluegrass Poa secunda	Grass or grass-like	1.4 ft	Sun–part shade	Low	Zone 3b
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
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
seep monkeyflower Mimulus guttatus	Wildflower (forb)	2.5 ft	Shade-tolerant	High	Zone 3b
shadscale saltbush Atriplex confertifolia	Shrub	3 ft	Sun	Medium	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
shortspine horsebrush Tetradymia spinosa	Shrub	3.2 ft	Sun	Low	Zone 4b
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
sickle saltbush Atriplex falcata	Shrub	2 ft	Sun–part shade	Low	Zone 3b
silky lupine Lupinus sericeus	Wildflower (forb)	6 ft	Sun	Low	Zone 4b
silver buffaloberry Shepherdia argentea	Tree	18 ft	Sun–part shade	Medium	Zone 3b
silver sagebrush Artemisia cana	Shrub	5 ft	Sun	Low	Zone 3a
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
singleleaf ash Fraxinus anomala	Tree	20 ft	Sun	Medium	Zone 5a
singleleaf pinyon Pinus monophylla	Tree	50 ft	Sun	Low	Zone 5a
skunkbush sumac Rhus trilobata	Shrub	4 ft	Sun–part shade	Low	Zone 2a
slender cinquefoil Potentilla gracilis	Wildflower (forb)	2.4 ft	Sun	Low	Zone 3a
slender wheatgrass Elymus trachycaulus	Grass or grass-like	3 ft	Sun	Medium	Zone 3b
slimstem reedgrass Calamagrostis stricta	Grass or grass-like	3 ft	Sun–part shade	High	Zone 3a
small floating mannagrass Glyceria borealis	Grass or grass-like	4.9 ft	Sun	High	Zone 4a
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 horsetail Equisetum laevigatum	Fern	5 ft	Sun	Low	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 trisetum Trisetum spicatum	Grass or grass-like	1.9 ft	Sun–part shade	Medium	Zone 3b
spineless horsebrush Tetradymia canescens	Shrub	4 ft	Sun	Low	Zone 9a
squirreltail Elymus elymoides	Grass or grass-like	1.5 ft	Sun	Low	Zone 3a
streambank wild hollyhock Iliamna rivularis	Wildflower (forb)	6 ft	Sun–part shade	Medium	Zone 4a
sulphur-flower buckwheat Eriogonum umbellatum	Shrub	1 ft	Sun	Low	Zone 8a
tailcup lupine Lupinus caudatus	Wildflower (forb)	5 ft	Sun	Low	Zone 4b
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 hawksbeard Crepis acuminata	Wildflower (forb)	3 ft	Sun–part shade	Low	Zone 3b
tapertip onion Allium acuminatum	Wildflower (forb)	1 ft	Sun	Low	Zone 4b
threepetal bedstraw Galium trifidum	Vine	10 in	Sun–part shade	High	Zone 3b
thrift mock goldenweed Stenotus armerioides	Wildflower (forb)	1 ft	Sun	Low	Zone 5a
timber oatgrass Danthonia intermedia	Grass or grass-like	1.5 ft	Sun–part shade	Low	Zone 4a
tufted evening primrose Oenothera caespitosa	Wildflower (forb)	6 in	Sun	Low	Zone 6a
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
twoneedle pinyon Pinus edulis	Tree	50 ft	Sun	Low	Zone 4a
umbrella starwort Stellaria umbellata	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 4b
Utah juniper Juniperus osteosperma	Tree	26 ft	Sun	Low	Zone 4b
Utah serviceberry Amelanchier utahensis	Tree	15 ft	Sun–part shade	Medium	Zone 4b
variableleaf pondweed Potamogeton gramineus	Wildflower (forb)	—	Sun	High	Zone 3b
velvet ash Fraxinus velutina	Tree	40 ft	Sun	Low	Zone 6a
water birch Betula occidentalis	Tree	25 ft	Sun–part shade	High	Zone 1a
water sedge Carex aquatilis	Grass or grass-like	2.9 ft	Sun	High	Zone 3b
wax currant Ribes cereum	Shrub	3 ft	Sun	Low	Zone 5a
western columbine Aquilegia formosa	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 5a
western pearly everlasting Anaphalis margaritacea	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 3a
western polemonium Polemonium occidentale	Wildflower (forb)	3 ft	Shade-tolerant	High	Zone 3a
western stoneseed Lithospermum ruderale	Wildflower (forb)	1.5 ft	Sun	Low	Zone 4b
western sweetroot Osmorhiza occidentalis	Wildflower (forb)	4 ft	Shade-tolerant	Medium	Zone 3b
western valerian Valeriana occidentalis	Wildflower (forb)	3 ft	Sun	High	Zone 4b
western waterleaf Hydrophyllum occidentale	Wildflower (forb)	1.5 ft	Shade-tolerant	Medium	Zone 5b
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
Whipple's penstemon Penstemon whippleanus	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 4a
white fir Abies concolor	Tree	120 ft	Sun–part shade	Medium	Zone 3b
white sagebrush Artemisia ludoviciana	Wildflower (forb)	3 ft	Sun	Low	Zone 4a
whitebark raspberry Rubus leucodermis	Vine	1 ft	Sun	Medium	Zone 8a
whitestem gooseberry Ribes inerme	Shrub	8 ft	Shade-tolerant	Medium	Zone 4b
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 locoweed Astragalus mollissimus	Wildflower (forb)	2 ft	Sun	Low	Zone 4b
yellow evening primrose Oenothera flava	Wildflower (forb)	2.5 ft	Sun–part shade	Medium	Zone 4a
yellow rabbitbrush Chrysothamnus viscidiflorus	Shrub	3 ft	Sun	Low	Zone 5a
yellow spiderflower Cleome lutea	Wildflower (forb)	2.7 ft	Sun	Low	Zone 12a

Other native species recorded here 128

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 lewisia Lewisia pygmaea
American dragonhead Dracocephalum parviflorum
American rockbrake Cryptogramma acrostichoides
annual muhly Muhlenbergia minutissima
Apocynum ×floribundum Apocynum ×floribundum
arroyo willow Salix lasiolepis
autumn dwarf gentian Gentianella amarella
ballhead ipomopsis Ipomopsis congesta
bastard toadflax Comandra umbellata
beautiful cinquefoil Potentilla pulcherrima
beautiful sandwort Minuartia rubella
bigbract verbena Verbena bracteata
bluntleaf yellowcress Rorippa curvipes
brittle bladderfern Cystopteris fragilis
carelessweed Cyclachaena xanthiifolia
Carolina poplar Populus ×canadensis
Carruth's sagewort Artemisia carruthii
clustered broomrape Orobanche fasciculata
common starlily Leucocrinum montanum
curlycup gumweed Grindelia squarrosa
cutleaf nightshade Solanum triflorum
desert princesplume Stanleya pinnata
Douglas' knotweed Polygonum douglasii
Drummond's campion Silene drummondii
Drummond's false pennyroyal Hedeoma drummondii
elkweed Frasera speciosa
entireleaved thelypody Thelypodium integrifolium
false buffalograss Munroa squarrosa
feathery false lily of the valley Maianthemum racemosum
fineleaf hymenopappus Hymenopappus filifolius
flatspine bur ragweed Ambrosia acanthicarpa
flatspine stickseed Lappula occidentalis
foxtail barley Hordeum jubatum
foxtail muhly Muhlenbergia andina
Fremont's goosefoot Chenopodium fremontii
fringed willowherb Epilobium ciliatum
giant red Indian paintbrush Castilleja miniata
hoary tansyaster Machaeranthera canescens
hookedspur violet Viola adunca
ivyleaf groundcherry Physalis hederifolia
James' cryptantha Cryptantha cinerea
least duckweed Lemna minuta
lesser wirelettuce Stephanomeria minor
liverleaf wintergreen Pyrola asarifolia
longbract frog orchid Dactylorhiza viridis
longleaf groundcherry Physalis longifolia
manybranched pepperweed Lepidium ramosissimum
manyflower stickseed Hackelia floribunda
mealy goosefoot Chenopodium incanum
Modoc yellowcress Rorippa tenerrima
mountain deathcamas Zigadenus elegans
mountain tansymustard Descurainia incana
mountain tarweed Madia glomerata
narrowleaf bur-reed Sparganium angustifolium
narrowleaf four o'clock Mirabilis linearis
narrowleaf stoneseed Lithospermum incisum
neckweed Veronica peregrina
needleleaf navarretia Navarretia intertexta
nodding buckwheat Eriogonum cernuum
northern bog sedge Carex gynocrates
northern bog violet Viola nephrophylla
northern green orchid Platanthera aquilonis
northern hollyfern Polystichum lonchitis
Norwegian cinquefoil Potentilla norvegica
oneflowered broomrape Orobanche uniflora
Oregon cliff fern Woodsia oregana
Palmer's penstemon Penstemon palmeri
Pennsylvania cinquefoil Potentilla pensylvanica
pinyon goosefoot Chenopodium atrovirens
pleated gentian Gentiana affinis
Porter brome Bromus porteri
povertyweed Iva axillaris
pullup muhly Muhlenbergia filiformis
purple reedgrass Calamagrostis purpurascens
pygmyflower rockjasmine Androsace septentrionalis
Rocky Mountain fescue Festuca saximontana
Rocky Mountain goosefoot Chenopodium salinum
Rocky Mountain rush Juncus saximontanus
rosy pussytoes Antennaria rosea
roughfruit fairybells Prosartes trachycarpa
sand sagebrush Artemisia filifolia
sanddune cryptantha Cryptantha fendleri
scentbottle Platanthera dilatata
Scouler's popcornflower Plagiobothrys scouleri
scrambled eggs Corydalis aurea
seaside arrowgrass Triglochin maritima
shaggy fleabane Erigeron pumilus
single delight Moneses uniflora
sixweeks fescue Vulpia octoflora
slender lipfern Cheilanthes feei
slender phlox Microsteris gracilis
slimflower scurfpea Psoralidium tenuiflorum
small-leaf pussytoes Antennaria parvifolia
snowball sand verbena Abronia fragrans
southern cattail Typha domingensis
spearleaf stonecrop Sedum lanceolatum
spiny milkvetch Astragalus kentrophyta
spiny phlox Phlox hoodii
spinystar Escobaria vivipara
spotted fritillary Fritillaria atropurpurea
spreading dogbane Apocynum androsaemifolium
spreading fleabane Erigeron divergens
starry false lily of the valley Maianthemum stellatum
stemless four-nerve daisy Tetraneuris acaulis
stemless Townsend daisy Townsendia exscapa
swollen duckweed Lemna gibba
tall annual willowherb Epilobium brachycarpum
tarragon Artemisia dracunculus
tasselflower brickellbush Brickellia grandiflora
threadleaf crowfoot Ranunculus trichophyllus
tiny trumpet Collomia linearis
tobacco root Valeriana edulis
tower rockcress Arabis glabra
trailing fleabane Erigeron flagellaris
twistspine pricklypear Opuntia macrorhiza
variegated scouringrush Equisetum variegatum
Virginia strawberry Fragaria virginiana
water mudwort Limosella aquatica
water whorlgrass Catabrosa aquatica
wedgeleaf draba Draba cuneifolia
western marsh cudweed Gnaphalium palustre
western rattlesnake plantain Goodyera oblongifolia
western tansymustard Descurainia pinnata
whitestem blazingstar Mentzelia albicaulis
witchgrass Panicum capillare
woodland strawberry Fragaria vesca
woolly cinquefoil Potentilla hippiana
woolly sedge Carex pellita

Also listed as native and introduced here 3

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.

American red raspberryRubus idaeus
biennial wormwoodArtemisia biennis
Kentucky bluegrassPoa pratensis

Compared with Utah

The typical county is the median of the 29 Utah 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, Iron County and Utah
Measure	Iron County	Typical county	Statewide
Native species	378	434	959
Garden-ready natives	250	290	572
Tree	35	—	58
Shrub	51	—	102
Wildflower (forb)	204	—	524
Grass or grass-like	75	—	228
Vine	5	—	16
Fern	8	—	31

Neighboring counties

Counties that share a ZIP code with Iron County.

Washington County, UT 333 garden-ready

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: Iron County (county FIPS 49021), Utah. 378 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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