Native plants · Colorado

Native plants of Denver County

162 plant species are recorded as native to Colorado in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Denver County by USDA PLANTS. 83 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 1 more species is listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Denver County, Colorado

Native species
162 Typical Colorado county: 237 (median of 63 counties)
Garden-ready natives
83 Typical Colorado county: 148
Share by type (all 162 native species)
Percent of the 162 native species in each growth type
Tree 3% (5)
Shrub 6% (10)
Wildflower (forb) 66% (107)
Grass or grass-like 21% (34)
Vine 4% (6)

Wildflowers make up the largest share of the native list (66%), followed by grasses and grass-like plants (21%).

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 zone 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 83

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

Garden-ready native plants of Denver County, Colorado
PlantType HeightLight Water useHardy to
alkali buttercup Ranunculus cymbalaria Wildflower (forb) 1 ft Shade-tolerant High Zone 3b
American plum Prunus americana Tree 24 ft Sun Medium 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
American water horehound Lycopus americanus Wildflower (forb) 1.8 ft Shade-tolerant High Zone 3b
arumleaf arrowhead Sagittaria cuneata Wildflower (forb) 2.6 ft Sun Medium Zone 4a
boxelder Acer negundo Tree 60 ft Shade-tolerant Medium Zone 2b
broadleaf cattail Typha latifolia Wildflower (forb) 5 ft Sun–part shade High Zone 3b
Canada germander Teucrium canadense Wildflower (forb) 3.3 ft Sun–part shade High Zone 3a
Canada goldenrod Solidago canadensis Wildflower (forb) 3.5 ft Sun Medium Zone 3a
chokecherry Prunus virginiana Tree 25 ft Sun Medium Zone 3a
common cowparsnip Heracleum maximum Wildflower (forb) 8 ft Sun High Zone 3b
common spikerush Eleocharis palustris Grass or grass-like 1.3 ft Sun High Zone 3b
composite dropseed Sporobolus compositus Grass or grass-like 3 ft Sun Low Zone 3b
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
devil's beggartick Bidens frondosa Wildflower (forb) 4 ft Sun–part shade Medium Zone 12a
dewystem willow Salix irrorata Shrub 6 ft — — Zone 2a
dotted blazing star Liatris punctata Wildflower (forb) 2 ft Sun Medium Zone 3a
Douglas' sedge Carex douglasii Grass or grass-like 1.5 ft Sun Medium Zone 4a
fall panicgrass Panicum dichotomiflorum Grass or grass-like 3.3 ft Sun High Zone 3a
false indigo bush Amorpha fruticosa Shrub 15 ft Sun Low Zone 3b
fourwing saltbush Atriplex canescens Shrub 4 ft Sun Medium Zone 3a
golden crownbeard Verbesina encelioides Wildflower (forb) 2 ft Sun Medium Zone 5a
green prairie coneflower Ratibida tagetes Wildflower (forb) 1 ft Sun Low Zone 4b
groundnut Apios americana Vine 1 ft Shade-tolerant Medium Zone 5a
hairy false goldenaster Heterotheca villosa Wildflower (forb) 3 ft Sun Low Zone 4a
Illinois bundleflower Desmanthus illinoensis Wildflower (forb) 3 ft Sun Medium Zone 5b
leafy pondweed Potamogeton foliosus Wildflower (forb) — Sun High Zone 3b
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
Malabar sprangletop Leptochloa fusca Grass or grass-like 3.3 ft Sun High Zone 3a
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
needle and thread Hesperostipa comata Grass or grass-like 3 ft Sun Low Zone 3b
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
Nuttall's alkaligrass Puccinellia nuttalliana Grass or grass-like 10 in Sun Medium Zone 3b
Nuttall's sunflower Helianthus nuttallii Wildflower (forb) 10 ft Sun Medium Zone 3b
panicled bulrush Scirpus microcarpus Grass or grass-like 5.5 ft Sun Medium Zone 3b
prairie cordgrass Spartina pectinata Grass or grass-like 8 ft Sun High Zone 3b
prairie fleabane Erigeron strigosus Wildflower (forb) 3 ft Sun Medium Zone 4b
prairie sandreed Calamovilfa longifolia Grass or grass-like 4.5 ft Sun Medium Zone 3b
purple locoweed Oxytropis lambertii Wildflower (forb) 1.4 ft Sun Low 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
redosier dogwood Cornus sericea Tree 12 ft Sun High Zone 3b
Rocky Mountain beeplant Cleome serrulata Wildflower (forb) 3 ft Sun–part shade Medium Zone 12b
Rocky Mountain maple Acer glabrum Tree 30 ft Sun–part shade Low Zone 3a
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
sago pondweed Stuckenia pectinata Wildflower (forb) — Sun High Zone 3b
salt heliotrope Heliotropium curassavicum Wildflower (forb) 1.2 ft Sun Medium Zone 4b
saltgrass Distichlis spicata Grass or grass-like 1.1 ft Sun Medium Zone 3b
sand bluestem Andropogon hallii Grass or grass-like 6.1 ft Sun Medium Zone 3b
sand dropseed Sporobolus cryptandrus Grass or grass-like 3 ft Sun Low Zone 3b
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
scratchgrass Muhlenbergia asperifolia Grass or grass-like 2 ft Shade-tolerant High Zone 5b
sea milkwort Glaux maritima Wildflower (forb) 11 in Sun High Zone 4a
shortawn foxtail Alopecurus aequalis Grass or grass-like 2.5 ft Sun–part shade High Zone 3b
sideoats grama Bouteloua curtipendula Grass or grass-like 3 ft Sun Medium Zone 3a
silverweed cinquefoil Argentina anserina Wildflower (forb) 6 in Shade-tolerant High Zone 5a
silvery lupine Lupinus argenteus Wildflower (forb) 1.5 ft Sun Low Zone 3a
skunkbush sumac Rhus trilobata Shrub 4 ft Sun–part shade Low Zone 2a
soapweed yucca Yucca glauca Shrub 1 ft Sun Low Zone 4b
softstem bulrush Schoenoplectus tabernaemontani Grass or grass-like 9 ft Sun High Zone 3b
spreading yellowcress Rorippa sinuata Wildflower (forb) 1 ft Sun Medium Zone 3b
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
tanseyleaf tansyaster Machaeranthera tanacetifolia Wildflower (forb) 2 ft Sun Medium Zone 4a
textile onion Allium textile Wildflower (forb) 1 ft Sun–part shade Medium Zone 3b
threetooth ragwort Packera tridenticulata Wildflower (forb) 3 ft Sun Medium Zone 5a
toad rush Juncus bufonius Grass or grass-like 1 ft Sun Medium Zone 12a
upright prairie coneflower Ratibida columnifera Wildflower (forb) 3.1 ft Sun Medium Zone 3a
western goldentop Euthamia occidentalis Wildflower (forb) 6 ft Sun Medium Zone 4b
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
white sagebrush Artemisia ludoviciana Wildflower (forb) 3 ft Sun Low Zone 4a
winterfat Krascheninnikovia lanata Shrub 2 ft Sun Low Zone 2a
Woods' rose Rosa woodsii Shrub 3 ft Sun–part shade Medium Zone 3a

Other native species recorded here 79

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.

  • American bugseed Corispermum americanum
  • American sloughgrass Beckmannia syzigachne
  • annual buckwheat Eriogonum annuum
  • bigbract verbena Verbena bracteata
  • bigseed alfalfa dodder Cuscuta indecora
  • blue mudplantain Heteranthera limosa
  • bluntleaf yellowcress Rorippa curvipes
  • bog yellowcress Rorippa palustris
  • buffalobur nightshade Solanum rostratum
  • bushy knotweed Polygonum ramosissimum
  • Canadian anemone Anemone canadensis
  • Carruth's sagewort Artemisia carruthii
  • common starlily Leucocrinum montanum
  • common yellow oxalis Oxalis stricta
  • curlycup gumweed Grindelia squarrosa
  • Dakota mock vervain Glandularia bipinnatifida
  • Emory's sedge Carex emoryi
  • false buffalograss Munroa squarrosa
  • feather fingergrass Chloris virgata
  • fetid marigold Dyssodia papposa
  • fineleaf hymenopappus Hymenopappus filifolius
  • flatspine stickseed Lappula occidentalis
  • foxtail prairie clover Dalea leporina
  • great blue lobelia Lobelia siphilitica
  • green comet milkweed Asclepias viridiflora
  • heartleaf four o'clock Mirabilis nyctaginea
  • hedge false bindweed Calystegia sepium
  • hoary verbena Verbena stricta
  • horned pondweed Zannichellia palustris
  • ivyleaf groundcherry Physalis hederifolia
  • James' cryptantha Cryptantha cinerea
  • lanceleaf sage Salvia reflexa
  • longstyle sweetroot Osmorhiza longistylis
  • Mojave seablite Suaeda moquinii
  • New England aster Symphyotrichum novae-angliae
  • northern bog violet Viola nephrophylla
  • Northern Idaho biscuitroot Lomatium orientale
  • Norwegian cinquefoil Potentilla norvegica
  • painted milkvetch Astragalus ceramicus
  • pitseed goosefoot Chenopodium berlandieri
  • plains springparsley Cymopterus acaulis
  • pony beebalm Monarda pectinata
  • povertyweed Iva axillaris
  • prairie false dandelion Nothocalais cuspidata
  • prairie groundcherry Physalis hispida
  • prairie sandmat Chamaesyce missurica
  • prairie spiderwort Tradescantia occidentalis
  • prairie sunflower Helianthus petiolaris
  • ribseed sandmat Chamaesyce glyptosperma
  • rush skeletonplant Lygodesmia juncea
  • sanddune cryptantha Cryptantha fendleri
  • sandhill amaranth Amaranthus arenicola
  • scarlet beeblossom Oenothera suffrutescens
  • seaside arrowgrass Triglochin maritima
  • shortspike watermilfoil Myriophyllum sibiricum
  • silverscale saltbush Atriplex argentea
  • skeletonleaf bur ragweed Ambrosia tomentosa
  • slimleaf milkweed Asclepias stenophylla
  • snow on the mountain Euphorbia marginata
  • snowball sand verbena Abronia fragrans
  • soft-hair marbleseed Onosmodium bejariense
  • spotted water hemlock Cicuta maculata
  • starry false lily of the valley Maianthemum stellatum
  • stemless four-nerve daisy Tetraneuris acaulis
  • stemless Townsend daisy Townsendia exscapa
  • strict blue-eyed grass Sisyrinchium montanum
  • Texas croton Croton texensis
  • thin paspalum Paspalum setaceum
  • tufted lovegrass Eragrostis pectinacea
  • tumble windmill grass Chloris verticillata
  • twinflower Linnaea borealis
  • velvety goldenrod Solidago mollis
  • Virginia groundcherry Physalis virginiana
  • warty spurge Euphorbia spathulata
  • water mudwort Limosella aquatica
  • white prairie aster Symphyotrichum falcatum
  • whitest evening primrose Oenothera albicaulis
  • wild cucumber Echinocystis lobata
  • witchgrass Panicum capillare
Also listed as native and introduced here 1

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

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, Denver County and Colorado
MeasureDenver CountyTypical countyStatewide
Native species 162 237 1,119
Garden-ready natives 83 148 585
Tree 5 — 66
Shrub 10 — 92
Wildflower (forb) 107 — 626
Grass or grass-like 34 — 278
Vine 6 — 20
Fern 0 — 37

Neighboring counties

Counties that share a ZIP code with Denver County.

Look up another ZIP

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
Denver County (county FIPS 08031), Colorado. 162 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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