Native plants · Wyoming
Native plants of Platte County
296 plant species are recorded as native to Wyoming in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Platte County by USDA PLANTS. 153 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
Platte County, Wyoming
- Native species
- 296 Typical Wyoming county: 414 (median of 23 counties)
- Garden-ready natives
- 153 Typical Wyoming county: 243
- Share by type (all 296 native species)
-
Percent of the 296 native species in each growth type
Wildflowers make up the largest share of the native list (60%), followed by grasses and grass-like plants (20%).
The native plant list
Garden-ready natives 153
Native species with PLANTS growing records (height, light, moisture, minimum temperature). “—” means PLANTS has no value.
| 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 |
| alkali sacaton Sporobolus airoides | Grass or grass-like | 3 ft | Sun | Low | Zone 3b |
| alpine leafybract aster Symphyotrichum foliaceum | Wildflower (forb) | 2 ft | Sun | Medium | Zone 3b |
| American bittersweet Celastrus scandens | Vine | 15 ft | Shade-tolerant | High | Zone 3b |
| American black currant Ribes americanum | Shrub | 3 ft | — | — | Zone 2b |
| 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 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 |
| antelope bitterbrush Purshia tridentata | Shrub | 6 ft | Sun–part shade | Low | Zone 3b |
| arumleaf arrowhead Sagittaria cuneata | Wildflower (forb) | 2.6 ft | Sun | Medium | Zone 4a |
| 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 |
| black sagebrush Artemisia nova | Shrub | 2 ft | Sun | Low | 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 |
| bluebunch wheatgrass Pseudoroegneria spicata | Grass or grass-like | 3 ft | Sun | Low | Zone 3b |
| boxelder Acer negundo | Tree | 60 ft | Shade-tolerant | Medium | Zone 2b |
| broadbeard beardtongue Penstemon angustifolius | Wildflower (forb) | 3 ft | Sun | Low | Zone 4b |
| broadleaf cattail Typha latifolia | Wildflower (forb) | 5 ft | Sun–part shade | High | Zone 3b |
| broom snakeweed Gutierrezia sarothrae | Shrub | 1.5 ft | Sun | Medium | Zone 3b |
| buffalograss Bouteloua dactyloides | Grass or grass-like | 6 in | Sun | Medium | Zone 3b |
| 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 |
| chokecherry Prunus virginiana | Tree | 25 ft | Sun | Medium | Zone 3a |
| cloaked bulrush Scirpus pallidus | Grass or grass-like | 5 ft | Sun | Medium | 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 duckweed Lemna minor | Wildflower (forb) | — | Sun | High | 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 |
| coon's tail Ceratophyllum demersum | Wildflower (forb) | — | Sun–part shade | High | 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 |
| cutleaf coneflower Rudbeckia laciniata | Wildflower (forb) | 8.2 ft | Shade-tolerant | Low | Zone 3b |
| 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' dustymaiden Chaenactis douglasii | Wildflower (forb) | 1.6 ft | Sun–part shade | Low | Zone 3b |
| downy paintedcup Castilleja sessiliflora | Wildflower (forb) | 1.3 ft | Sun | Low | Zone 3b |
| eastern cottonwood Populus deltoides | Tree | 190 ft | Sun | High | Zone 3a |
| false indigo bush Amorpha fruticosa | Shrub | 15 ft | Sun | Low | Zone 3b |
| field horsetail Equisetum arvense | Fern | 11 in | Sun–part shade | High | Zone 3a |
| fourwing saltbush Atriplex canescens | Shrub | 4 ft | Sun | Medium | 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 |
| granite prickly phlox Linanthus pungens | Wildflower (forb) | 2 ft | Shade-tolerant | Low | Zone 4a |
| 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 |
| 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 |
| 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 |
| Idaho blue-eyed grass Sisyrinchium idahoense | Wildflower (forb) | 1.7 ft | Shade-tolerant | High | 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 |
| 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 |
| Lewis flax Linum lewisii | Wildflower (forb) | 2.5 ft | Sun | Medium | Zone 3b |
| 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 |
| 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 |
| 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 |
| 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 |
| needle and thread Hesperostipa comata | Grass or grass-like | 3 ft | Sun | Low | Zone 3b |
| nodding beggartick Bidens cernua | Wildflower (forb) | 3.2 ft | Sun–part shade | High | 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 |
| paper birch Betula papyrifera | Tree | 70 ft | Sun | High | Zone 1a |
| peachleaf willow Salix amygdaloides | Tree | 60 ft | Sun | High | Zone 4a |
| plains muhly Muhlenbergia cuspidata | Grass or grass-like | 1.4 ft | Sun | Low | Zone 3b |
| plains pricklypear Opuntia polyacantha | Shrub | 2 ft | Sun | Low | Zone 4b |
| prairie cordgrass Spartina pectinata | Grass or grass-like | 8 ft | Sun | High | Zone 3b |
| 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 |
| 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 |
| pussy willow Salix discolor | Tree | 40 ft | Shade-tolerant | High | 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 |
| red goosefoot Chenopodium rubrum | Wildflower (forb) | 3 ft | Sun | High | Zone 12b |
| reed canarygrass Phalaris arundinacea | Grass or grass-like | 5 ft | Sun | High | Zone 3b |
| riverbank grape Vitis riparia | Vine | 45 ft | Sun–part shade | Medium | Zone 4a |
| Rocky Mountain beeplant Cleome serrulata | Wildflower (forb) | 3 ft | Sun–part shade | Medium | Zone 12b |
| 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 |
| 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 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 |
| 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 |
| sawsepal penstemon Penstemon glaber | Wildflower (forb) | 2 ft | Sun | Medium | 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 |
| shining willow Salix lucida | Tree | 13 ft | Sun–part shade | High | Zone 3a |
| shortawn foxtail Alopecurus aequalis | Grass or grass-like | 2.5 ft | Sun–part shade | High | Zone 3b |
| showy milkweed Asclepias speciosa | Wildflower (forb) | 6 ft | Sun | Medium | Zone 4a |
| sideoats grama Bouteloua curtipendula | Grass or grass-like | 3 ft | Sun | Medium | Zone 3a |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| spotted joe pye weed Eutrochium maculatum | Wildflower (forb) | 6 ft | Sun–part shade | High | Zone 4b |
| stiff goldenrod Oligoneuron rigidum | Wildflower (forb) | 3.6 ft | Sun–part shade | Medium | Zone 3a |
| 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 |
| tapertip hawksbeard Crepis acuminata | Wildflower (forb) | 3 ft | Sun–part shade | Low | Zone 3b |
| 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 |
| threadleaf sedge Carex filifolia | Grass or grass-like | 1.2 ft | Sun | Low | Zone 3b |
| threetip sagebrush Artemisia tripartita | Shrub | 4 ft | Sun | Low | Zone 3a |
| thrift mock goldenweed Stenotus armerioides | Wildflower (forb) | 1 ft | Sun | Low | Zone 5a |
| 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 |
| upright prairie coneflower Ratibida columnifera | Wildflower (forb) | 3.1 ft | Sun | Medium | Zone 3a |
| 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 |
| wax currant Ribes cereum | Shrub | 3 ft | Sun | Low | Zone 5a |
| 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 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 |
| wild bergamot Monarda fistulosa | Wildflower (forb) | 4.9 ft | Sun–part shade | High | 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 |
| 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 |
No garden-ready natives match these filters. Try clearing one.
Other native species recorded here 143
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.
Hidden while “Garden-ready only” is on.
- annual buckwheat Eriogonum annuum
- aridland goosefoot Chenopodium desiccatum
- ballhead ipomopsis Ipomopsis congesta
- bastard toadflax Comandra umbellata
- bearded flatsedge Cyperus squarrosus
- Bebb willow Salix bebbiana
- big devils beggartick Bidens vulgata
- bigbract verbena Verbena bracteata
- bigseed alfalfa dodder Cuscuta indecora
- brittle pricklypear Opuntia fragilis
- brook cinquefoil Potentilla rivalis
- buffalobur nightshade Solanum rostratum
- bushy knotweed Polygonum ramosissimum
- carelessweed Cyclachaena xanthiifolia
- chaffweed Anagallis minima
- chairmaker's bulrush Schoenoplectus americanus
- chickenthief Mentzelia oligosperma
- clustered broomrape Orobanche fasciculata
- common bladderwort Utricularia macrorhiza
- common starlily Leucocrinum montanum
- Cuman ragweed Ambrosia psilostachya
- curlycup gumweed Grindelia squarrosa
- curlytop knotweed Polygonum lapathifolium
- cutleaf nightshade Solanum triflorum
- Drummond's false pennyroyal Hedeoma drummondii
- Dudley's rush Juncus dudleyi
- entireleaved thelypody Thelypodium integrifolium
- false buffalograss Munroa squarrosa
- fetid marigold Dyssodia papposa
- fineleaf hymenopappus Hymenopappus filifolius
- flat-top goldentop Euthamia graminifolia
- flatspine stickseed Lappula occidentalis
- Flodman's thistle Cirsium flodmanii
- foothill bladderpod Lesquerella ludoviciana
- foxtail barley Hordeum jubatum
- Fremont's goosefoot Chenopodium fremontii
- fringed willowherb Epilobium ciliatum
- great ragweed Ambrosia trifida
- green carpetweed Mollugo verticillata
- green comet milkweed Asclepias viridiflora
- groundplum milkvetch Astragalus crassicarpus
- hairy evening primrose Oenothera villosa
- hairy four o'clock Mirabilis hirsuta
- hairy hedgenettle Stachys pilosa
- heartleaf four o'clock Mirabilis nyctaginea
- hoary tansyaster Machaeranthera canescens
- hoary verbena Verbena stricta
- Hopi tea greenthread Thelesperma megapotamicum
- horned pondweed Zannichellia palustris
- James' cryptantha Cryptantha cinerea
- lacy tansyaster Machaeranthera pinnatifida
- large Indian breadroot Pediomelum esculentum
- Laxmann's milkvetch Astragalus laxmannii
- lemon scurfpea Psoralidium lanceolatum
- lesser spikemoss Selaginella densa
- longleaf groundcherry Physalis longifolia
- Louisiana broomrape Orobanche ludoviciana
- marsh skullcap Scutellaria galericulata
- mat sandbur Cenchrus longispinus
- meadow deathcamas Zigadenus venenosus
- Missouri foxtail cactus Escobaria missouriensis
- moundscale Atriplex ×aptera
- mountain tansymustard Descurainia incana
- narrowleaf bur-reed Sparganium angustifolium
- narrowleaf four o'clock Mirabilis linearis
- narrowleaf stoneseed Lithospermum incisum
- needleleaf sedge Carex duriuscula
- northern sweetgrass Hierochloe hirta
- northern water plantain Alisma triviale
- Norwegian cinquefoil Potentilla norvegica
- painted milkvetch Astragalus ceramicus
- Paradox cinquefoil Potentilla paradoxa
- Pennsylvania cinquefoil Potentilla pensylvanica
- Pennsylvania pellitory Parietaria pensylvanica
- povertyweed Iva axillaris
- prairie false dandelion Nothocalais cuspidata
- prairie groundcherry Physalis hispida
- prairie groundsel Packera plattensis
- prairie sandmat Chamaesyce missurica
- prairie spiderwort Tradescantia occidentalis
- prairie sunflower Helianthus petiolaris
- purple meadow-rue Thalictrum dasycarpum
- rayless alkali aster Symphyotrichum ciliatum
- redwhisker clammyweed Polanisia dodecandra
- ribseed sandmat Chamaesyce glyptosperma
- Rocky Mountain goosefoot Chenopodium salinum
- rosy pussytoes Antennaria rosea
- rough barnyardgrass Echinochloa muricata
- rush skeletonplant Lygodesmia juncea
- rusty lupine Lupinus pusillus
- saline saltbush Atriplex subspicata
- sand sagebrush Artemisia filifolia
- sandhill amaranth Amaranthus arenicola
- scarlet beeblossom Oenothera suffrutescens
- shaggy dwarf morning-glory Evolvulus nuttallianus
- shaggy fleabane Erigeron pumilus
- silverleaf Indian breadroot Pediomelum argophyllum
- silverscale saltbush Atriplex argentea
- sixangle spurge Euphorbia hexagona
- sixweeks fescue Vulpia octoflora
- skeletonleaf bur ragweed Ambrosia tomentosa
- sleepy silene Silene antirrhina
- slender lipfern Cheilanthes feei
- slender yellow woodsorrel Oxalis dillenii
- slenderleaf false foxglove Agalinis tenuifolia
- slimflower scurfpea Psoralidium tenuiflorum
- snowball sand verbena Abronia fragrans
- spearleaf stonecrop Sedum lanceolatum
- spiny milkvetch Astragalus kentrophyta
- spotted fritillary Fritillaria atropurpurea
- spotted water hemlock Cicuta maculata
- spreading dogbane Apocynum androsaemifolium
- starry false lily of the valley Maianthemum stellatum
- stemless four-nerve daisy Tetraneuris acaulis
- stiffstem flax Linum rigidum
- strapleaf willow Salix ligulifolia
- swamp verbena Verbena hastata
- tarragon Artemisia dracunculus
- tasselflower brickellbush Brickellia grandiflora
- Texas croton Croton texensis
- threadleaf crowfoot Ranunculus trichophyllus
- threenerve goldenrod Solidago velutina
- tiny trumpet Collomia linearis
- tufted lovegrass Eragrostis pectinacea
- tumblegrass Schedonnardus paniculatus
- veiny dock Rumex venosus
- velvetweed Oenothera curtiflora
- velvety goldenrod Solidago mollis
- water whorlgrass Catabrosa aquatica
- wavyleaf thistle Cirsium undulatum
- wedgeleaf Phyla cuneifolia
- western marsh cudweed Gnaphalium palustre
- western poison ivy Toxicodendron rydbergii
- western tansymustard Descurainia pinnata
- 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
- woodbine Parthenocissus vitacea
- 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.
- biennial wormwoodArtemisia biennis
- common reedPhragmites australis
- Kentucky bluegrassPoa pratensis
Compared with Wyoming
The typical county is the median of the 23 Wyoming 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.
| Measure | Platte County | Typical county | Statewide |
|---|---|---|---|
| Native species | 296 | 414 | 1,060 |
| Garden-ready natives | 153 | 243 | 576 |
| Tree | 24 | — | 69 |
| Shrub | 24 | — | 89 |
| Wildflower (forb) | 177 | — | 606 |
| Grass or grass-like | 59 | — | 242 |
| Vine | 8 | — | 17 |
| Fern | 4 | — | 37 |
Neighboring counties
Counties that share a ZIP code with Platte County.
- Albany County, WY 378 garden-ready
- Goshen County, WY 143 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
- Platte County (county FIPS 56031), Wyoming. 296 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