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Native plants · Washington

Native plants of Franklin County

128 plant species are recorded as native to Washington in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Franklin County by USDA PLANTS. 87 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 2 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Franklin County, Washington

Native species
128 Typical Washington county: 300 (median of 39 counties)
Garden-ready natives
87 Typical Washington county: 219
Share by type (all 128 native species)
Percent of the 128 native species in each growth type
Tree 7% (9)
Shrub 12% (15)
Wildflower (forb) 59% (76)
Grass or grass-like 20% (26)
Fern 2% (2)

Wildflowers make up the largest share of the native list (59%), 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 zone 7a (2023 map).

The native plant list

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

Garden-ready natives 87

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

Garden-ready native plants of Franklin County, Washington
PlantType HeightLight Water useHardy to
alkali buttercup Ranunculus cymbalaria Wildflower (forb) 1 ft Shade-tolerant High Zone 3b
American licorice Glycyrrhiza lepidota Wildflower (forb) 4 ft Sun–part shade High Zone 3b
annual hairgrass Deschampsia danthonioides Grass or grass-like 1.5 ft Sun–part shade Medium Zone 12b
antelope bitterbrush Purshia tridentata Shrub 6 ft Sun–part shade Low Zone 3b
basin wildrye Leymus cinereus Grass or grass-like 5 ft Sun High Zone 3a
big sagebrush Artemisia tridentata Tree 4 ft Sun Medium Zone 3a
bigseed biscuitroot Lomatium macrocarpum Wildflower (forb) 6 in Sun Low Zone 4b
blanketflower Gaillardia aristata Wildflower (forb) 2 ft Sun Medium Zone 4a
Blue Mountain buckwheat Eriogonum strictum Wildflower (forb) 2.2 ft Sun Low Zone 5a
bluebunch wheatgrass Pseudoroegneria spicata Grass or grass-like 3 ft Sun Low Zone 3b
Carey's balsamroot Balsamorhiza careyana Wildflower (forb) 2.5 ft Sun–part shade Low Zone 6a
chokecherry Prunus virginiana Tree 25 ft Sun Medium Zone 3a
clustered field sedge Carex praegracilis Grass or grass-like 2 ft Sun–part shade Medium Zone 3b
cursed buttercup Ranunculus sceleratus Wildflower (forb) 2 ft Shade-tolerant High Zone 12b
curvepod yellowcress Rorippa curvisiliqua Wildflower (forb) 1 ft Shade-tolerant High Zone 12b
darkthroat shootingstar Dodecatheon pulchellum Wildflower (forb) 2 ft Sun–part shade Medium Zone 4a
desert yellow fleabane Erigeron linearis Wildflower (forb) 1 ft Sun Low Zone 5a
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
false indigo bush Amorpha fruticosa Shrub 15 ft Sun Low Zone 3b
fernleaf biscuitroot Lomatium dissectum Wildflower (forb) 15 ft Sun–part shade Low Zone 8a
freckled milkvetch Astragalus lentiginosus Shrub 1.4 ft Sun Low Zone 4b
golden currant Ribes aureum Shrub 10 ft Sun–part shade Low Zone 3b
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
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
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
kinnikinnick Arctostaphylos uva-ursi Shrub 6 in Sun–part shade Low Zone 4a
Lewis flax Linum lewisii Wildflower (forb) 2.5 ft Sun Medium Zone 3b
Lewis' mock orange Philadelphus lewisii Shrub 12 ft Sun Low Zone 8a
longleaf phlox Phlox longifolia Wildflower (forb) 1.2 ft Sun–part shade Low Zone 6a
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 seedbox Ludwigia palustris Wildflower (forb) 2 in Sun High Zone 4a
Munro's globemallow Sphaeralcea munroana Wildflower (forb) 2.5 ft Sun Low Zone 4b
narrowleaf willow Salix exigua Tree 10 ft Sun–part shade High Zone 3b
needle and thread Hesperostipa comata Grass or grass-like 3 ft Sun Low Zone 3b
nineleaf biscuitroot Lomatium triternatum Wildflower (forb) 2.2 ft Sun–part shade Medium Zone 4a
Pacific lupine Lupinus lepidus Wildflower (forb) 6 ft Sun Low Zone 5b
pale evening primrose Oenothera pallida Wildflower (forb) 2 ft Sun Low Zone 3b
peachleaf willow Salix amygdaloides Tree 60 ft Sun High Zone 4a
Pennsylvania bittercress Cardamine pensylvanica Wildflower (forb) 1.5 ft Shade-tolerant Medium Zone 4a
pinkfairies Clarkia pulchella Wildflower (forb) 2 ft Sun–part shade Medium Zone 12a
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
purple sage Salvia dorrii Shrub 2.5 ft Sun Medium Zone 5a
redosier dogwood Cornus sericea Tree 12 ft Sun High Zone 3b
redroot flatsedge Cyperus erythrorhizos Grass or grass-like 2.5 ft Sun Medium Zone 11a
reed canarygrass Phalaris arundinacea Grass or grass-like 5 ft Sun High Zone 3b
rock buckwheat Eriogonum sphaerocephalum Shrub 1 ft Sun Low Zone 5a
rubber rabbitbrush Ericameria nauseosa Shrub 4 ft Sun Medium Zone 3b
sagebrush mariposa lily Calochortus macrocarpus Wildflower (forb) 1.8 ft Sun Low Zone 5a
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
Sandberg bluegrass Poa secunda Grass or grass-like 1.4 ft Sun–part shade Low Zone 3b
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
sharpleaf penstemon Penstemon acuminatus Wildflower (forb) 2 ft Sun Low Zone 4a
shortawn foxtail Alopecurus aequalis Grass or grass-like 2.5 ft Sun–part shade High Zone 3b
silverleaf phacelia Phacelia hastata Wildflower (forb) 2 ft Sun–part shade Medium Zone 3b
slender flatsedge Cyperus bipartitus Grass or grass-like 5 ft Sun Medium Zone 10b
small camas Camassia quamash Wildflower (forb) 2.3 ft Shade-tolerant High Zone 4b
smooth horsetail Equisetum laevigatum Fern 5 ft Sun Low Zone 3b
snow buckwheat Eriogonum niveum Wildflower (forb) 1.5 ft Sun–part shade Low Zone 5a
spike bentgrass Agrostis exarata Grass or grass-like 3 ft Sun Medium Zone 3b
spineless horsebrush Tetradymia canescens Shrub 4 ft Sun Low Zone 9a
spiny hopsage Grayia spinosa Shrub 3 ft Sun Low Zone 4a
squirreltail Elymus elymoides Grass or grass-like 1.5 ft Sun Low Zone 3a
tarweed fiddleneck Amsinckia lycopsoides Wildflower (forb) 3 ft Sun Low Zone 4b
thickspike wheatgrass Elymus lanceolatus Grass or grass-like 2.3 ft Sun Low Zone 3b
threadleaf fleabane Erigeron filifolius Wildflower (forb) 1 ft Sun Low Zone 6a
thymeleaf buckwheat Eriogonum thymoides Wildflower (forb) 1 ft Sun Low Zone 5a
tufted evening primrose Oenothera caespitosa Wildflower (forb) 6 in Sun Low Zone 6a
water birch Betula occidentalis Tree 25 ft Sun–part shade High Zone 1a
wax currant Ribes cereum Shrub 3 ft Sun Low Zone 5a
western juniper Juniperus occidentalis Tree 33 ft Sun Low Zone 4a
western stoneseed Lithospermum ruderale Wildflower (forb) 1.5 ft Sun Low Zone 4b
winterfat Krascheninnikovia lanata Shrub 2 ft Sun Low Zone 2a
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
woollypod milkvetch Astragalus purshii Wildflower (forb) 7 in Sun Low Zone 4a
yellow fritillary Fritillaria pudica Wildflower (forb) 1 ft Sun–part shade Medium Zone 12a
yellow rabbitbrush Chrysothamnus viscidiflorus Shrub 3 ft Sun Low Zone 5a
yellow spiderflower Cleome lutea Wildflower (forb) 2.7 ft Sun Low Zone 12a
yellow wildrye Leymus flavescens Grass or grass-like 3 ft Sun Medium Zone 5b

Other native species recorded here 41

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.

  • arroyo willow Salix lasiolepis
  • awned halfchaff sedge Lipocarpha aristulata
  • balsam groundsel Packera paupercula
  • bastard toadflax Comandra umbellata
  • bigbract verbena Verbena bracteata
  • clustered broomrape Orobanche fasciculata
  • cutleaf nightshade Solanum triflorum
  • desert goosefoot Chenopodium pratericola
  • Douglas' knotweed Polygonum douglasii
  • fineleaf hymenopappus Hymenopappus filifolius
  • flatspine stickseed Lappula occidentalis
  • foxtail barley Hordeum jubatum
  • fringed loosestrife Lysimachia ciliata
  • grand redstem Ammannia robusta
  • hairy evening primrose Oenothera villosa
  • hairy waterclover Marsilea vestita
  • horned pondweed Zannichellia palustris
  • large St. Johnswort Hypericum majus
  • lemon scurfpea Psoralidium lanceolatum
  • lesser wirelettuce Stephanomeria minor
  • lowland rotala Rotala ramosior
  • manyflowered monkeyflower Mimulus floribundus
  • mat sandbur Cenchrus longispinus
  • Menzies' fiddleneck Amsinckia menziesii
  • mountain tansymustard Descurainia incana
  • needleleaf navarretia Navarretia intertexta
  • nodding buckwheat Eriogonum cernuum
  • Pursh seepweed Suaeda calceoliformis
  • ribseed sandmat Chamaesyce glyptosperma
  • rusty lupine Lupinus pusillus
  • sanddune cryptantha Cryptantha fendleri
  • shaggy fleabane Erigeron pumilus
  • sixweeks fescue Vulpia octoflora
  • slender phlox Microsteris gracilis
  • tarragon Artemisia dracunculus
  • tufted lovegrass Eragrostis pectinacea
  • veiny dock Rumex venosus
  • western tansymustard Descurainia pinnata
  • whitestem blazingstar Mentzelia albicaulis
  • woolly sedge Carex pellita
  • yellowseed false pimpernel Lindernia dubia
Also listed as native and introduced here 2

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.

Compared with Washington

The typical county is the median of the 39 Washington 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, Franklin County and Washington
MeasureFranklin CountyTypical countyStatewide
Native species 128 300 1,015
Garden-ready natives 87 219 621
Tree 9 — 74
Shrub 15 — 99
Wildflower (forb) 76 — 547
Grass or grass-like 26 — 234
Vine 0 — 16
Fern 2 — 45

Neighboring counties

Counties that share a ZIP code with Franklin 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
Franklin County (county FIPS 53021), Washington. 128 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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