Native plants · Colorado

Native plants of Crowley County

65 plant species are recorded as native to Colorado in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Crowley County by USDA PLANTS. 28 of them have growing records you can filter by light, moisture, height and estimated cold hardiness.

County summary · USDA PLANTS and Kew WCVP

Crowley County, Colorado

PLANTS records only 28 garden-ready natives here (under 30). County records are thin in some places; the Colorado list is a useful second check.

Native species
65 Typical Colorado county: 237 (median of 63 counties)
Garden-ready natives
28 Typical Colorado county: 148
Share by type (all 65 native species)
Percent of the 65 native species in each growth type
Shrub 5% (3)
Wildflower (forb) 71% (46)
Grass or grass-like 25% (16)

Wildflowers make up the largest share of the native list (71%), 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 28

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

Garden-ready native plants of Crowley County, Colorado
PlantType HeightLight Water useHardy to
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
American licorice Glycyrrhiza lepidota Wildflower (forb) 4 ft Sun–part shade High Zone 3b
blue grama Bouteloua gracilis Grass or grass-like 1 ft Sun Medium Zone 3a
Canada goldenrod Solidago canadensis Wildflower (forb) 3.5 ft Sun Medium Zone 3a
Canadian horseweed Conyza canadensis Wildflower (forb) 5 ft Sun Medium Zone 12b
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
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
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
James' galleta Pleuraphis jamesii Grass or grass-like 2 ft Sun Low Zone 5a
Jerusalem artichoke Helianthus tuberosus Wildflower (forb) 9.8 ft Sun–part shade Low Zone 3a
plains pricklypear Opuntia polyacantha Shrub 2 ft Sun Low Zone 4b
purple threeawn Aristida purpurea Grass or grass-like 1.4 ft Sun Low Zone 4a
rubber rabbitbrush Ericameria nauseosa Shrub 4 ft Sun Medium Zone 3b
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
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
showy milkweed Asclepias speciosa Wildflower (forb) 6 ft Sun Medium Zone 4a
spreading yellowcress Rorippa sinuata Wildflower (forb) 1 ft Sun Medium Zone 3b
squirreltail Elymus elymoides Grass or grass-like 1.5 ft Sun Low 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
vine mesquite Panicum obtusum Grass or grass-like 2 ft Sun–part shade High Zone 5a
woolly plantain Plantago patagonica Wildflower (forb) 6 in Sun Low Zone 12b

Other native species recorded here 37

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.

  • bigbract verbena Verbena bracteata
  • camphorweed Heterotheca subaxillaris
  • chairmaker's bulrush Schoenoplectus americanus
  • Cuman ragweed Ambrosia psilostachya
  • feather fingergrass Chloris virgata
  • fetid marigold Dyssodia papposa
  • flatspine bur ragweed Ambrosia acanthicarpa
  • flatspine stickseed Lappula occidentalis
  • foxtail barley Hordeum jubatum
  • great ragweed Ambrosia trifida
  • heartleaf four o'clock Mirabilis nyctaginea
  • horned pondweed Zannichellia palustris
  • lacy tansyaster Machaeranthera pinnatifida
  • mat sandbur Cenchrus longispinus
  • pale dock Rumex altissimus
  • povertyweed Iva axillaris
  • prairie groundcherry Physalis hispida
  • prairie sandmat Chamaesyce missurica
  • prairie sunflower Helianthus petiolaris
  • ram's horn Proboscidea louisianica
  • ribseed sandmat Chamaesyce glyptosperma
  • River Broom-Rape Orobanche riparia
  • rush skeletonplant Lygodesmia juncea
  • sand sagebrush Artemisia filifolia
  • scarlet beeblossom Oenothera suffrutescens
  • silverscale saltbush Atriplex argentea
  • slimflower scurfpea Psoralidium tenuiflorum
  • snowball sand verbena Abronia fragrans
  • Texas croton Croton texensis
  • veiny dock Rumex venosus
  • velvetweed Oenothera curtiflora
  • verrucose seapurslane Sesuvium verrucosum
  • wavyleaf thistle Cirsium undulatum
  • wedgeleaf Phyla cuneifolia
  • western tansymustard Descurainia pinnata
  • white prairie aster Symphyotrichum falcatum
  • whitest evening primrose Oenothera albicaulis

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, Crowley County and Colorado
MeasureCrowley CountyTypical countyStatewide
Native species 65 237 1,119
Garden-ready natives 28 148 585
Tree 0 — 66
Shrub 3 — 92
Wildflower (forb) 46 — 626
Grass or grass-like 16 — 278
Vine 0 — 20
Fern 0 — 37

Neighboring counties

Counties that share a ZIP code with Crowley 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
Crowley County (county FIPS 08025), Colorado. 65 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

Independent reference site. No government affiliation or endorsement.