Native plants · Missouri

Native plants of Washington County

655 plant species are recorded as native to Missouri in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Washington County by USDA PLANTS. 226 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 4 more species are listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Washington County, Missouri

Native species: 655 Typical Missouri county: 557 (median of 114 counties)
Garden-ready natives: 226 Typical Missouri county: 219
Share by type (all 655 native species): Percent of the 655 native species in each growth type

Tree 12% (78)
Shrub 2% (15)
Wildflower (forb) 61% (401)
Grass or grass-like 17% (109)
Vine 5% (33)
Fern 3% (19)

Wildflowers make up the largest share of the native list (61%), followed by grasses and grass-like plants (17%).

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 6b (2023 map).

The native plant list

Garden-ready natives 226

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

Garden-ready native plants of Washington County, Missouri
Plant	Type	Height	Light	Water use	Hardy to
alternateleaf dogwood Cornus alternifolia	Tree	25 ft	Shade-tolerant	Medium	Zone 2b
American basswood Tilia americana	Tree	100 ft	Shade-tolerant	Medium	Zone 2b
American bellflower Campanulastrum americanum	Wildflower (forb)	6 ft	Shade-tolerant	Medium	Zone 12b
American bittersweet Celastrus scandens	Vine	15 ft	Shade-tolerant	High	Zone 3b
American bur-reed Sparganium americanum	Wildflower (forb)	3.2 ft	Sun–part shade	High	Zone 4a
American elm Ulmus americana	Tree	120 ft	Sun–part shade	High	Zone 2b
American hazelnut Corylus americana	Shrub	10 ft	Sun–part shade	Medium	Zone 4a
American hornbeam Carpinus caroliniana	Tree	30 ft	Shade-tolerant	Medium	Zone 4a
American plum Prunus americana	Tree	24 ft	Sun	Medium	Zone 3b
American pokeweed Phytolacca americana	Wildflower (forb)	7.3 ft	Shade-tolerant	Medium	Zone 4a
American sycamore Platanus occidentalis	Tree	100 ft	Sun–part shade	High	Zone 4a
American water horehound Lycopus americanus	Wildflower (forb)	1.8 ft	Shade-tolerant	High	Zone 3b
American water-willow Justicia americana	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4b
arrowleaf tearthumb Polygonum sagittatum	Vine	1 ft	Sun	Medium	Zone 6a
Atlantic camas Camassia scilloides	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4b
awlfruit sedge Carex stipata	Grass or grass-like	3.5 ft	Shade-tolerant	Medium	Zone 3b
bald cypress Taxodium distichum	Tree	130 ft	Sun–part shade	High	Zone 5b
beaked agrimony Agrimonia rostellata	Wildflower (forb)	2.3 ft	Sun–part shade	Medium	Zone 4a
big bluestem Andropogon gerardii	Grass or grass-like	6 ft	Sun	Low	Zone 2b
black cherry Prunus serotina	Tree	80 ft	Sun	Medium	Zone 4a
black maple Acer nigrum	Tree	100 ft	Shade-tolerant	Medium	Zone 2b
black oak Quercus velutina	Tree	80 ft	Sun–part shade	Medium	Zone 4a
black walnut Juglans nigra	Tree	100 ft	Sun	High	Zone 4b
black willow Salix nigra	Tree	100 ft	Sun	High	Zone 1b
blackgum Nyssa sylvatica	Tree	95 ft	Shade-tolerant	Medium	Zone 5b
blackhaw Viburnum prunifolium	Tree	16 ft	Shade-tolerant	Medium	Zone 4a
blackjack oak Quercus marilandica	Tree	25 ft	Sun	Low	Zone 6a
blue mistflower Conoclinium coelestinum	Wildflower (forb)	3.2 ft	Shade-tolerant	Medium	Zone 6a
blunt spikerush Eleocharis obtusa	Grass or grass-like	1.6 ft	Sun	Medium	Zone 11a
bluntleaf bedstraw Galium obtusum	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 4a
boxelder Acer negundo	Tree	60 ft	Shade-tolerant	Medium	Zone 2b
bristly buttercup Ranunculus hispidus	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4a
broadleaf arrowhead Sagittaria latifolia	Wildflower (forb)	4.9 ft	Sun	High	Zone 4a
broom sedge Carex scoparia	Grass or grass-like	2.5 ft	Shade-tolerant	High	Zone 3b
bulbous bittercress Cardamine bulbosa	Wildflower (forb)	1.4 ft	Shade-tolerant	Medium	Zone 4a
bur oak Quercus macrocarpa	Tree	100 ft	Sun–part shade	Medium	Zone 3b
bur-reed sedge Carex sparganioides	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
burningbush Euonymus atropurpureus	Tree	10 ft	Shade-tolerant	Low	—
Bush's sedge Carex bushii	Grass or grass-like	2 ft	Sun–part shade	Medium	Zone 5a
butterfly milkweed Asclepias tuberosa	Wildflower (forb)	2 ft	Sun	Low	Zone 4a
butternut Juglans cinerea	Tree	80 ft	Sun	Medium	Zone 4a
calico aster Symphyotrichum lateriflorum	Wildflower (forb)	4 ft	Sun	Medium	Zone 4a
Canada germander Teucrium canadense	Wildflower (forb)	3.3 ft	Sun–part shade	High	Zone 3a
Canada goldenrod Solidago altissima	Wildflower (forb)	5 ft	Sun–part shade	Medium	Zone 4b
Canadian horseweed Conyza canadensis	Wildflower (forb)	5 ft	Sun	Medium	Zone 12b
Canadian lousewort Pedicularis canadensis	Wildflower (forb)	1.3 ft	Shade-tolerant	Medium	Zone 3a
Canadian milkvetch Astragalus canadensis	Wildflower (forb)	6 in	Sun	Medium	Zone 3b
Canadian waterweed Elodea canadensis	Wildflower (forb)	—	Sun	High	Zone 4a
cardinalflower Lobelia cardinalis	Wildflower (forb)	5.9 ft	Shade-tolerant	Low	Zone 4a
Carolina buckthorn Frangula caroliniana	Tree	20 ft	Shade-tolerant	—	Zone 4b
Carolina elephantsfoot Elephantopus carolinianus	Wildflower (forb)	2.7 ft	Sun	Medium	Zone 6a
Carolina rose Rosa carolina	Shrub	5 ft	Sun–part shade	Low	Zone 3a
chinquapin oak Quercus muehlenbergii	Tree	70 ft	Sun	Medium	Zone 4a
climbing rose Rosa setigera	Vine	16 ft	Sun	Low	Zone 6a
coastal plain willow Salix caroliniana	Tree	33 ft	Sun–part shade	High	Zone 7b
cockspur hawthorn Crataegus crus-galli	Tree	30 ft	Sun	Low	Zone 4a
common blue violet Viola sororia	Wildflower (forb)	4 in	Sun–part shade	High	Zone 4b
common buttonbush Cephalanthus occidentalis	Tree	15 ft	Shade-tolerant	High	Zone 4a
common evening primrose Oenothera biennis	Wildflower (forb)	5 ft	Sun	Medium	Zone 4b
common goldstar Hypoxis hirsuta	Wildflower (forb)	10 in	Sun–part shade	Medium	Zone 4a
common hackberry Celtis occidentalis	Tree	60 ft	Shade-tolerant	Low	Zone 2b
common hoptree Ptelea trifoliata	Tree	25 ft	Sun–part shade	High	Zone 4a
common persimmon Diospyros virginiana	Tree	55 ft	Shade-tolerant	Medium	Zone 5a
common selfheal Prunella vulgaris	Wildflower (forb)	1.5 ft	Sun–part shade	Medium	Zone 3b
common serviceberry Amelanchier arborea	Tree	36 ft	Shade-tolerant	Medium	Zone 2b
common sneezeweed Helenium autumnale	Wildflower (forb)	4.9 ft	Sun	Medium	Zone 3a
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
coon's tail Ceratophyllum demersum	Wildflower (forb)	—	Sun–part shade	High	Zone 3b
coralberry Symphoricarpos orbiculatus	Shrub	2 ft	Sun–part shade	High	Zone 5a
cup plant Silphium perfoliatum	Wildflower (forb)	6 ft	Sun–part shade	—	Zone 2b
cupseed Calycocarpum lyonii	Vine	30 ft	Shade-tolerant	Medium	Zone 7a
cutleaf coneflower Rudbeckia laciniata	Wildflower (forb)	8.2 ft	Shade-tolerant	Low	Zone 3b
deerberry Vaccinium stamineum	Shrub	16 ft	Shade-tolerant	Low	Zone 5a
deertongue Dichanthelium clandestinum	Grass or grass-like	2 ft	Sun	Low	Zone 4a
devil's beggartick Bidens frondosa	Wildflower (forb)	4 ft	Sun–part shade	Medium	Zone 12a
devil's darning needles Clematis virginiana	Vine	15 ft	Sun–part shade	Medium	Zone 3b
ditch stonecrop Penthorum sedoides	Wildflower (forb)	2.6 ft	Sun–part shade	Medium	Zone 4b
dotted smartweed Polygonum punctatum	Wildflower (forb)	3.2 ft	Sun	Medium	Zone 10b
dwarf St. Johnswort Hypericum mutilum	Wildflower (forb)	2.6 ft	Sun–part shade	Medium	Zone 5a
eastern cottonwood Populus deltoides	Tree	190 ft	Sun	High	Zone 3a
eastern redbud Cercis canadensis	Tree	30 ft	Shade-tolerant	Low	Zone 4b
eastern redcedar Juniperus virginiana	Tree	50 ft	Sun–part shade	Low	Zone 3a
eastern woodland sedge Carex blanda	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 4b
farkleberry Vaccinium arboreum	Tree	28 ft	Shade-tolerant	Medium	Zone 6a
field paspalum Paspalum laeve	Grass or grass-like	2.9 ft	Sun–part shade	Medium	Zone 6a
flatstem spikerush Eleocharis compressa	Grass or grass-like	2 ft	Sun	High	Zone 4a
flowering dogwood Cornus florida	Tree	30 ft	Shade-tolerant	Low	Zone 4b
fowl mannagrass Glyceria striata	Grass or grass-like	5.7 ft	Shade-tolerant	Medium	Zone 3b
fox sedge Carex vulpinoidea	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 3b
foxglove beardtongue Penstemon digitalis	Wildflower (forb)	4 ft	Shade-tolerant	Low	Zone 3b
fragrant flatsedge Cyperus odoratus	Grass or grass-like	2 ft	Sun	Medium	Zone 11b
fringeleaf wild petunia Ruellia humilis	Wildflower (forb)	2.6 ft	Shade-tolerant	Low	Zone 4a
frost grape Vitis vulpina	Vine	83 ft	Sun–part shade	Medium	Zone 5a
giant goldenrod Solidago gigantea	Wildflower (forb)	8.2 ft	Sun–part shade	Medium	Zone 4a
golden ragwort Packera aurea	Wildflower (forb)	3.9 ft	Shade-tolerant	High	Zone 3a
gray dogwood Cornus racemosa	Shrub	10 ft	Shade-tolerant	Medium	Zone 2b
gray goldenrod Solidago nemoralis	Wildflower (forb)	2 ft	Sun	Medium	Zone 4a
graybark grape Vitis cinerea	Vine	50 ft	Sun–part shade	Medium	Zone 6b
greater straw sedge Carex normalis	Grass or grass-like	5 ft	Shade-tolerant	High	Zone 4a
green ash Fraxinus pennsylvanica	Tree	80 ft	Shade-tolerant	Medium	Zone 2b
groundnut Apios americana	Vine	1 ft	Shade-tolerant	Medium	Zone 5a
hairawn muhly Muhlenbergia capillaris	Grass or grass-like	3 ft	Sun	High	Zone 8a
hairy lespedeza Lespedeza hirta	Wildflower (forb)	6 ft	Sun	Low	Zone 6a
hairy white oldfield aster Symphyotrichum pilosum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
harvestlice Agrimonia parviflora	Wildflower (forb)	6 ft	Sun–part shade	High	Zone 4a
hazel alder Alnus serrulata	Tree	30 ft	Sun	High	Zone 5a
heartleaf peppervine Ampelopsis cordata	Vine	2 ft	Shade-tolerant	Medium	Zone 6b
honeylocust Gleditsia triacanthos	Tree	70 ft	Sun	Medium	Zone 3b
hop sedge Carex lupulina	Grass or grass-like	4.3 ft	Sun–part shade	Medium	Zone 3b
hophornbeam Ostrya virginiana	Tree	45 ft	Shade-tolerant	Low	Zone 3b
Illinois bundleflower Desmanthus illinoensis	Wildflower (forb)	3 ft	Sun	Medium	Zone 5b
Indian woodoats Chasmanthium latifolium	Grass or grass-like	4.6 ft	Shade-tolerant	Medium	Zone 4a
Indianhemp Apocynum cannabinum	Wildflower (forb)	3.3 ft	Sun–part shade	High	Zone 3a
inland rush Juncus interior	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 3b
Jerusalem artichoke Helianthus tuberosus	Wildflower (forb)	9.8 ft	Sun–part shade	Low	Zone 3a
jewelweed Impatiens capensis	Wildflower (forb)	4.9 ft	Shade-tolerant	Medium	Zone 10b
Kentucky coffeetree Gymnocladus dioicus	Tree	100 ft	Sun	Medium	Zone 4a
lanceleaf loosestrife Lysimachia lanceolata	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 5a
lanceleaf tickseed Coreopsis lanceolata	Wildflower (forb)	2 ft	Sun	Medium	Zone 6b
largeleaf pondweed Potamogeton amplifolius	Wildflower (forb)	—	Sun	High	Zone 4a
late purple aster Symphyotrichum patens	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 3b
leadplant Amorpha canescens	Shrub	4 ft	Shade-tolerant	Low	Zone 3b
leafy pondweed Potamogeton foliosus	Wildflower (forb)	—	Sun	High	Zone 3b
limestone meadow sedge Carex granularis	Grass or grass-like	2.5 ft	Shade-tolerant	High	Zone 4a
limestone wild petunia Ruellia strepens	Wildflower (forb)	3.6 ft	Shade-tolerant	Low	Zone 6a
littleleaf buttercup Ranunculus abortivus	Wildflower (forb)	2.8 ft	Shade-tolerant	Medium	Zone 3a
longleaf pondweed Potamogeton nodosus	Wildflower (forb)	—	Sun	High	Zone 3b
marsh seedbox Ludwigia palustris	Wildflower (forb)	2 in	Sun	High	Zone 4a
Maryland senna Senna marilandica	Wildflower (forb)	6.6 ft	Sun–part shade	Low	Zone 5b
Missouri ironweed Vernonia missurica	Wildflower (forb)	6 ft	Sun	Medium	Zone 4a
Missouri River willow Salix eriocephala	Tree	52 ft	Shade-tolerant	High	Zone 3b
mockernut hickory Carya tomentosa	Tree	85 ft	Sun–part shade	Medium	Zone 4a
New Jersey tea Ceanothus americanus	Shrub	3 ft	Shade-tolerant	Low	Zone 4b
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
nodding fescue Festuca subverticillata	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 3a
nodding lady's tresses Spiranthes cernua	Wildflower (forb)	1.5 ft	Sun	High	Zone 3b
northern maidenhair Adiantum pedatum	Fern	1.3 ft	Shade-tolerant	Medium	Zone 3b
northern red oak Quercus rubra	Tree	81 ft	Sun–part shade	Medium	Zone 3b
northern spicebush Lindera benzoin	Tree	12 ft	Sun–part shade	Medium	Zone 5a
Ohio buckeye Aesculus glabra	Tree	68 ft	Shade-tolerant	Medium	Zone 4a
orangegrass Hypericum gentianoides	Wildflower (forb)	2 ft	Sun–part shade	Low	Zone 12a
pale purple coneflower Echinacea pallida	Wildflower (forb)	1.2 ft	Sun	Medium	Zone 4a
pale touch-me-not Impatiens pallida	Wildflower (forb)	8.2 ft	Shade-tolerant	Medium	Zone 10b
partridge pea Chamaecrista fasciculata	Wildflower (forb)	2.4 ft	Shade-tolerant	Medium	Zone 7a
pawpaw Asimina triloba	Tree	25 ft	Shade-tolerant	Medium	Zone 4b
Pennsylvania smartweed Polygonum pensylvanicum	Wildflower (forb)	3.9 ft	Sun	Medium	Zone 10b
perplexed ticktrefoil Desmodium perplexum	Wildflower (forb)	4 ft	Sun–part shade	Medium	Zone 4a
plains muhly Muhlenbergia cuspidata	Grass or grass-like	1.4 ft	Sun	Low	Zone 3b
possumhaw Ilex decidua	Tree	33 ft	Shade-tolerant	Medium	Zone 5b
post oak Quercus stellata	Tree	60 ft	Sun	Medium	Zone 4a
poverty rush Juncus tenuis	Grass or grass-like	1.5 ft	Sun–part shade	Medium	Zone 3b
prairie crab apple Malus ioensis	Tree	25 ft	Sun	Medium	Zone 4b
prairie fleabane Erigeron strigosus	Wildflower (forb)	3 ft	Sun	Medium	Zone 4b
prairie wedgescale Sphenopholis obtusata	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 3a
prairie willow Salix humilis	Shrub	10 ft	Sun–part shade	High	Zone 3a
pride of Ohio Dodecatheon meadia	Wildflower (forb)	2 ft	Shade-tolerant	Medium	Zone 3b
purplehead sneezeweed Helenium flexuosum	Wildflower (forb)	3.2 ft	Sun	Low	Zone 4b
purpleleaf willowherb Epilobium coloratum	Wildflower (forb)	3.3 ft	Sun–part shade	High	Zone 4a
purplestem aster Symphyotrichum puniceum	Wildflower (forb)	8.1 ft	Sun	High	Zone 3b
purpletop tridens Tridens flavus	Grass or grass-like	2.5 ft	Sun	Low	Zone 5a
rattlesnake fern Botrychium virginianum	Fern	1.4 ft	Shade-tolerant	Medium	Zone 3b
red maple Acer rubrum	Tree	68 ft	Sun–part shade	High	Zone 2b
red mulberry Morus rubra	Tree	70 ft	Shade-tolerant	Medium	Zone 4a
rice cutgrass Leersia oryzoides	Grass or grass-like	4.9 ft	Sun	High	Zone 4a
river birch Betula nigra	Tree	70 ft	Sun	High	Zone 4a
roughleaf dogwood Cornus drummondii	Tree	20 ft	Sun–part shade	Low	Zone 4b
rufous bulrush Scirpus pendulus	Grass or grass-like	4 ft	Sun	Medium	Zone 3b
sandbar willow Salix interior	Tree	30 ft	Sun	—	Zone 1a
sassafras Sassafras albidum	Tree	75 ft	Sun	Low	Zone 4b
scarlet Indian paintbrush Castilleja coccinea	Wildflower (forb)	1.6 ft	Shade-tolerant	Medium	Zone 4b
scarlet oak Quercus coccinea	Tree	70 ft	Sun	Medium	Zone 4b
shagbark hickory Carya ovata	Tree	75 ft	Sun–part shade	Medium	Zone 3a
shallow sedge Carex lurida	Grass or grass-like	3.2 ft	Sun–part shade	Medium	Zone 4a
sharpwing monkeyflower Mimulus alatus	Wildflower (forb)	2.3 ft	Shade-tolerant	High	Zone 5a
shingle oak Quercus imbricaria	Tree	45 ft	Sun	Medium	Zone 5b
shrubby St. Johnswort Hypericum prolificum	Shrub	3.2 ft	Sun–part shade	High	Zone 4b
Shumard's oak Quercus shumardii	Tree	100 ft	Sun	Medium	Zone 5a
silky willow Salix sericea	Tree	12 ft	Sun–part shade	High	Zone 4b
silver maple Acer saccharinum	Tree	90 ft	Sun–part shade	Medium	Zone 2b
slippery elm Ulmus rubra	Tree	85 ft	Shade-tolerant	High	Zone 3a
smallspike false nettle Boehmeria cylindrica	Wildflower (forb)	3.9 ft	Shade-tolerant	Medium	Zone 4a
smooth blue aster Symphyotrichum laeve	Wildflower (forb)	4 ft	Sun	Medium	Zone 3a
smooth sumac Rhus glabra	Tree	12 ft	Sun	Low	Zone 4a
softstem bulrush Schoenoplectus tabernaemontani	Grass or grass-like	9 ft	Sun	High	Zone 3b
spotted St. Johnswort Hypericum punctatum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
squarestem spikerush Eleocharis quadrangulata	Grass or grass-like	4 ft	Sun	High	Zone 4b
stiff marsh bedstraw Galium tinctorium	Wildflower (forb)	10 in	Shade-tolerant	High	Zone 4a
sugar maple Acer saccharum	Tree	100 ft	Shade-tolerant	Medium	Zone 2b
sugarberry Celtis laevigata	Tree	80 ft	Shade-tolerant	High	Zone 5a
summer grape Vitis aestivalis	Vine	30 ft	Shade-tolerant	Medium	Zone 5a
swamp milkweed Asclepias incarnata	Wildflower (forb)	4.9 ft	Sun	High	Zone 3b
sweet woodreed Cinna arundinacea	Grass or grass-like	4.9 ft	Shade-tolerant	Low	Zone 4a
switchgrass Panicum virgatum	Grass or grass-like	5 ft	Sun	Medium	Zone 3a
Torrey's rush Juncus torreyi	Grass or grass-like	3.1 ft	Sun	Medium	Zone 3b
trumpet creeper Campsis radicans	Vine	2 ft	Sun	Low	Zone 6a
trumpet honeysuckle Lonicera sempervirens	Vine	16 ft	Shade-tolerant	Medium	Zone 4a
twisted sedge Carex torta	Grass or grass-like	2.8 ft	Shade-tolerant	Medium	Zone 4a
twoheaded water-starwort Callitriche heterophylla	Wildflower (forb)	—	Sun	High	Zone 4a
upland bentgrass Agrostis perennans	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
variable panicgrass Dichanthelium commutatum	Grass or grass-like	4.9 ft	Sun–part shade	Low	Zone 4b
Virginia bluebells Mertensia virginica	Wildflower (forb)	2.3 ft	Shade-tolerant	High	Zone 4b
Virginia creeper Parthenocissus quinquefolia	Vine	1 ft	Sun–part shade	Low	Zone 4b
Virginia dayflower Commelina virginica	Wildflower (forb)	3.5 ft	Shade-tolerant	Medium	Zone 5b
Virginia iris Iris virginica	Wildflower (forb)	3.3 ft	Shade-tolerant	High	Zone 8b
Virginia water horehound Lycopus virginicus	Wildflower (forb)	4 ft	Shade-tolerant	High	Zone 4a
Virginia wildrye Elymus virginicus	Grass or grass-like	2.5 ft	Shade-tolerant	Medium	Zone 4b
water knotweed Polygonum amphibium	Wildflower (forb)	1 in	Sun	High	Zone 5a
waterthread pondweed Potamogeton diversifolius	Wildflower (forb)	3.2 ft	Sun	High	Zone 3b
white ash Fraxinus americana	Tree	90 ft	Sun	High	Zone 4a
white avens Geum canadense	Wildflower (forb)	3.9 ft	Shade-tolerant	Medium	Zone 4a
white oak Quercus alba	Tree	100 ft	Sun–part shade	Medium	Zone 3a
white prairie clover Dalea candida	Wildflower (forb)	2 ft	Sun–part shade	Medium	Zone 3b
whitegrass Leersia virginica	Grass or grass-like	3.9 ft	Shade-tolerant	Medium	Zone 3a
wild blue phlox Phlox divaricata	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 4a
winged elm Ulmus alata	Tree	65 ft	Shade-tolerant	Medium	Zone 5b
winged sumac Rhus copallinum	Tree	8 ft	Sun	Low	Zone 4b
winter bentgrass Agrostis hyemalis	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
woodland bluegrass Poa sylvestris	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
woodland rush Juncus subcaudatus	Grass or grass-like	2.2 ft	Shade-tolerant	High	Zone 6b
wrinkleleaf goldenrod Solidago rugosa	Wildflower (forb)	3.3 ft	Sun–part shade	Medium	Zone 4a
yellow flatsedge Cyperus flavescens	Grass or grass-like	2 ft	Sun	Medium	Zone 11b
yellow fumewort Corydalis flavula	Wildflower (forb)	1.5 ft	Sun–part shade	Medium	Zone 5b
yellow passionflower Passiflora lutea	Vine	16 ft	Shade-tolerant	Low	Zone 5a
zigzag goldenrod Solidago flexicaulis	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 5b

Other native species recorded here 429

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.

agueweed Gentianella quinquefolia
Allegheny monkeyflower Mimulus ringens
American alumroot Heuchera americana
American columbo Frasera caroliniensis
American false pennyroyal Hedeoma pulegioides
American ginseng Panax quinquefolius
American hogpeanut Amphicarpaea bracteata
American ipecac Gillenia stipulata
American lopseed Phryma leptostachya
aromatic aster Symphyotrichum oblongifolium
arrowfeather threeawn Aristida purpurascens
arrowleaf violet Viola sagittata
ashy sunflower Helianthus mollis
Atlantic goldenrod Solidago arguta
autumn coralroot Corallorhiza odontorhiza
bald spikerush Eleocharis erythropoda
Baldwin's ironweed Vernonia baldwinii
bashful bulrush Trichophorum planifolium
bastard toadflax Comandra umbellata
beaked cornsalad Valerianella radiata
beaked panicgrass Panicum anceps
bearded shorthusk Brachyelytrum erectum
bearded skeletongrass Gymnopogon ambiguus
beggarslice Hackelia virginiana
big devils beggartick Bidens vulgata
bigbract verbena Verbena bracteata
birdfoot violet Viola pedata
black baneberry Actaea racemosa
blackseed plantain Plantago rugelii
blackstem spleenwort Asplenium resiliens
blisterwort Ranunculus recurvatus
bloodroot Sanguinaria canadensis
blue ash Fraxinus quadrangulata
Blue Ridge blueberry Vaccinium pallidum
blue skullcap Scutellaria lateriflora
blue waxweed Cuphea viscosissima
bluntlobe cliff fern Woodsia obtusa
bog yellowcress Rorippa palustris
Bosc's panicgrass Dichanthelium boscii
bottlebrush sedge Carex hystericina
branched bur-reed Sparganium androcladum
bristleleaf sedge Carex eburnea
broad beechfern Phegopteris hexagonoptera
brown widelip orchid Liparis liliifolia
browneyed Susan Rudbeckia triloba
buffalo clover Trifolium reflexum
buffalobur nightshade Solanum rostratum
bulblet bladderfern Cystopteris bulbifera
button eryngo Eryngium yuccifolium
Canadian blacksnakeroot Sanicula canadensis
Canadian clearweed Pilea pumila
Canadian honewort Cryptotaenia canadensis
Canadian wildginger Asarum canadense
Canadian woodnettle Laportea canadensis
Carolina coralbead Cocculus carolinus
Carolina horsenettle Solanum carolinense
Carolina larkspur Delphinium carolinianum
Carolina vetch Vicia caroliniana
carpenter's square Scrophularia marilandica
celandine poppy Stylophorum diphyllum
chaffweed Anagallis minima
Chapman's bluegrass Poa chapmaniana
Christmas fern Polystichum acrostichoides
churchmouse threeawn Aristida dichotoma
clammy hedgehyssop Gratiola neglecta
claspingleaf St. Johnswort Hypericum gymnanthum
Clayton's sweetroot Osmorhiza claytonii
common boneset Eupatorium perfoliatum
common cinquefoil Potentilla simplex
common dittany Cunila origanoides
common milkweed Asclepias syriaca
common moonseed Menispermum canadense
common pricklyash Zanthoxylum americanum
common threeseed mercury Acalypha rhomboidea
common yellow oxalis Oxalis stricta
Crawe's sedge Carex crawei
creeping lespedeza Lespedeza repens
crowpoison Nothoscordum bivalve
Culver's root Veronicastrum virginicum
cutleaf evening primrose Oenothera laciniata
cutleaf toothwort Cardamine concatenata
cypress panicgrass Dichanthelium dichotomum
Davis' sedge Carex davisii
densetuft hairsedge Bulbostylis capillaris
diamond-flowers Stenaria nigricans
dotted hawthorn Crataegus punctata
downy pagoda-plant Blephilia ciliata
downy phlox Phlox pilosa
downy ragged goldenrod Solidago petiolaris
Drummond's aster Symphyotrichum drummondii
dutchman's breeches Dicentra cucullaria
dwarf cinquefoil Potentilla canadensis
dwarf hackberry Celtis pumila
dwarf horseweed Conyza ramosissima
dwarf larkspur Delphinium tricorne
dwarf plantain Plantago pusilla
early buttercup Ranunculus fascicularis
eastern bottlebrush grass Elymus hystrix
eastern daisy fleabane Erigeron annuus
eastern false rue anemone Enemion biternatum
eastern greenviolet Hybanthus concolor
eastern leatherwood Dirca palustris
eastern milkpea Galactia regularis
eastern poison ivy Toxicodendron radicans
eastern swamp saxifrage Saxifraga pensylvanica
ebony spleenwort Asplenium platyneuron
Elliott's bluestem Andropogon gyrans
elmleaf goldenrod Solidago ulmifolia
erect knotweed Polygonum erectum
eyebane Chamaesyce nutans
false aloe Manfreda virginica
false boneset Brickellia eupatorioides
fernleaf phacelia Phacelia bipinnatifida
fescue sedge Carex festucacea
fetid marigold Dyssodia papposa
fewflower ticktrefoil Desmodium pauciflorum
fewleaf sunflower Helianthus occidentalis
field pansy Viola bicolor
fire pink Silene virginica
fireberry hawthorn Crataegus chrysocarpa
Florida paspalum Paspalum floridanum
flowering spurge Euphorbia corollata
fluxweed Trichostema brachiatum
fourflower yellow loosestrife Lysimachia quadriflora
fourleaf milkweed Asclepias quadrifolia
fourleaf yam Dioscorea quaternata
fragrant bedstraw Galium triflorum
fragrant sumac Rhus aromatica
fringed loosestrife Lysimachia ciliata
fringed nutrush Scleria ciliata
fuzzy wuzzy sedge Carex hirsutella
giant ironweed Vernonia gigantea
globe flatsedge Cyperus echinatus
glomerate sedge Carex aggregata
golden zizia Zizia aurea
goldenseal Hydrastis canadensis
grassleaf mudplantain Heteranthera dubia
gravelweed Verbesina helianthoides
great blue lobelia Lobelia siphilitica
Great Plains flatsedge Cyperus lupulinus
great ragweed Ambrosia trifida
great waterleaf Hydrophyllum appendiculatum
Greek valerian Polemonium reptans
green antelopehorn Asclepias viridis
green carpetweed Mollugo verticillata
green comet milkweed Asclepias viridiflora
green milkweed Asclepias hirtella
green rockcress Arabis missouriensis
grooved flax Linum sulcatum
groovestem Indian plantain Arnoglossum plantagineum
groundplum milkvetch Astragalus crassicarpus
gum bully Sideroxylon lanuginosum
hairy angelica Angelica venenosa
hairy bedstraw Galium pilosum
hairy fimbry Fimbristylis puberula
hairy forked nailwort Paronychia fastigiata
hairy goldenrod Solidago hispida
hairy pinweed Lechea mucronata
hairy skullcap Scutellaria elliptica
hairy small-leaf ticktrefoil Desmodium ciliare
hairy sunflower Helianthus hirsutus
hairy wildrye Elymus villosus
hairy woodland brome Bromus pubescens
hairyjoint meadowparsnip Thaspium barbinode
harbinger of spring Erigenia bulbosa
heartleaf four o'clock Mirabilis nyctaginea
heartleaf plantain Plantago cordata
heartleaf skullcap Scutellaria ovata
heavy sedge Carex gravida
Heller's rosette grass Dichanthelium oligosanthes
Hitchcock's sedge Carex hitchcockiana
hoary puccoon Lithospermum canescens
hoary skullcap Scutellaria incana
hoary verbena Verbena stricta
hogwort Croton capitatus
honeyvine Cynanchum laeve
humped bladderwort Utricularia gibba
husk tomato Physalis pubescens
hybrid oak Quercus ×leana
Indian-tobacco Lobelia inflata
Indianpipe Monotropa uniflora
James' sedge Carex jamesii
jumpseed Polygonum virginianum
lace grass Eragrostis capillaris
lanceleaf fogfruit Phyla lanceolata
lanceleaf ragweed Ambrosia bidentata
lanceleaf sage Salvia reflexa
largebract ticktrefoil Desmodium cuspidatum
largebracted plantain Plantago aristata
largeleaf grass of Parnassus Parnassia grandifolia
lateflowering thoroughwort Eupatorium serotinum
leafy bulrush Scirpus polyphyllus
Leavenworth's sedge Carex leavenworthii
lesser yellow lady's slipper Cypripedium parviflorum
licorice bedstraw Galium circaezans
limestone adderstongue Ophioglossum engelmannii
limestone calamint Clinopodium arkansanum
little lady's tresses Spiranthes tuberosa
lobed spleenwort Asplenium pinnatifidum
longleaf groundcherry Physalis longifolia
longleaf summer bluet Houstonia longifolia
longstyle sweetroot Osmorhiza longistylis
low false bindweed Calystegia spithamaea
lowland rotala Rotala ramosior
lyrate rockcress Arabis lyrata
lyreleaf sage Salvia lyrata
maidenhair spleenwort Asplenium trichomanes
marginal woodfern Dryopteris marginalis
mat sandbur Cenchrus longispinus
mayapple Podophyllum peltatum
Mead's sedge Carex meadii
meadow garlic Allium canadense
Mexican plum Prunus mexicana
Michaux's croton Croton michauxii
Michaux's stitchwort Minuartia michauxii
Missouri gooseberry Ribes missouriense
mullein foxglove Dasistoma macrophylla
nakedflower ticktrefoil Desmodium nudiflorum
narrowleaf mountainmint Pycnanthemum tenuifolium
narrowleaf paleseed Leucospora multifida
narrowleaf pinweed Lechea tenuifolia
narrowleaf stoneseed Lithospermum incisum
narrowleaf vervain Verbena simplex
neckweed Veronica peregrina
needle beaksedge Rhynchospora capillacea
New England aster Symphyotrichum novae-angliae
nits and lice Hypericum drummondii
nodding muhly Muhlenbergia bushii
nodding onion Allium cernuum
northern selaginella Selaginella rupestris
northern slender lady's tresses Spiranthes lacera
Nuttall's prairie parsley Polytaenia nuttallii
Nuttall's sensitive-briar Mimosa nuttallii
obedient plant Physostegia virginiana
October lady's tresses Spiranthes ovalis
oldfield milkvine Matelea decipiens
oneseed bur cucumber Sicyos angulatus
Ontario blazing star Liatris cylindracea
openflower rosette grass Dichanthelium laxiflorum
orangefruit horse-gentian Triosteum aurantiacum
pale beardtongue Penstemon pallidus
pale Indian plantain Arnoglossum atriplicifolium
palespike lobelia Lobelia spicata
parasol sedge Carex umbellata
pasture heliotrope Heliotropium tenellum
Pennsylvania pellitory Parietaria pensylvanica
Philadelphia panicgrass Panicum philadelphicum
pitcher's stitchwort Minuartia patula
pleatleaf knotweed Polygonum tenue
pointedleaf ticktrefoil Desmodium glutinosum
poorjoe Diodia teres
potato dwarfdandelion Krigia dandelion
poverty dropseed Sporobolus vaginiflorus
poverty oatgrass Danthonia spicata
prairie broomweed Amphiachyris dracunculoides
prairie goldenrod Oligoneuron album
prairie groundsel Packera plattensis
prairie rosinweed Silphium terebinthinaceum
prairie tea Croton monanthogynus
prostrate ticktrefoil Desmodium rotundifolium
purple cliffbrake Pellaea atropurpurea
purple meadowparsnip Thaspium trifoliatum
purple milkweed Asclepias purpurascens
purple passionflower Passiflora incarnata
purplerocket Iodanthus pinnatifidus
queendevil Hieracium gronovii
rabbit-tobacco Pseudognaphalium obtusifolium
ram's horn Proboscidea louisianica
Ravenel's rosette grass Dichanthelium ravenelii
red columbine Aquilegia canadensis
red hickory Carya ovalis
redwhisker clammyweed Polanisia dodecandra
reflexed sedge Carex retroflexa
richweed Collinsonia canadensis
richwoods sedge Carex oligocarpa
robin's plantain Erigeron pulchellus
rock muhly Muhlenbergia sobolifera
rose mock vervain Glandularia canadensis
rough dropseed Sporobolus clandestinus
rough false pennyroyal Hedeoma hispida
rough hawkweed Hieracium scabrum
roundfruit hedgehyssop Gratiola virginiana
roundleaf ragwort Packera obovata
roundseed panicgrass Dichanthelium sphaerocarpon
roundseed St. Johnswort Hypericum sphaerocarpum
roundstem false foxglove Agalinis gattingeri
rue anemone Thalictrum thalictroides
rusty blackhaw Viburnum rufidulum
Sampson's snakeroot Orbexilum pedunculatum
sand grape Vitis rupestris
scaly blazing star Liatris squarrosa
seedbox Ludwigia alternifolia
Seneca snakeroot Polygala senega
sensitive partridge pea Chamaecrista nictitans
shaggy dwarf morning-glory Evolvulus nuttallianus
shining bedstraw Galium concinnum
shining lady's tresses Spiranthes lucida
shiny wedgescale Sphenopholis nitida
Short's rockcress Arabis shortii
shortbeak arrowhead Sagittaria brevirostra
shortbeak sedge Carex brevior
shortpod draba Draba brachycarpa
shortstalk chickweed Cerastium brachypodum
shortstalk false bindweed Calystegia silvatica
showy orchid Galearis spectabilis
shrubby lespedeza Lespedeza frutescens
sicklepod Arabis canadensis
sidebeak pencilflower Stylosanthes biflora
silky dogwood Cornus obliqua
sleepy silene Silene antirrhina
slender crabgrass Digitaria filiformis
slender fimbry Fimbristylis autumnalis
slender lespedeza Lespedeza virginica
slender lipfern Cheilanthes feei
slender threeseed mercury Acalypha gracilens
slender wedgescale Sphenopholis intermedia
slenderleaf false foxglove Agalinis tenuifolia
slickseed fuzzybean Strophostyles leiosperma
slimflower scurfpea Psoralidium tenuiflorum
slimleaf milkweed Asclepias stenophylla
slimleaf panicgrass Dichanthelium linearifolium
slimpod Venus' looking-glass Triodanis leptocarpa
slimspike threeawn Aristida longespica
small skullcap Scutellaria parvula
small Venus' looking-glass Triodanis biflora
smallflower halfchaff sedge Lipocarpha micrantha
smartweed dodder Cuscuta polygonorum
smooth cliffbrake Pellaea glabella
smooth forked nailwort Paronychia canadensis
smooth oxeye Heliopsis helianthoides
smooth rockcress Arabis laevigata
smooth small-leaf ticktrefoil Desmodium marilandicum
smooth Solomon's seal Polygonatum biflorum
smooth ticktrefoil Desmodium laevigatum
smooth yellow false foxglove Aureolaria flava
sneezeweed Helenium amarum
soft agrimony Agrimonia pubescens
soft fox sedge Carex conjuncta
soft-hair marbleseed Onosmodium bejariense
southeastern wildrye Elymus glabriflorus
Spanish needles Bidens bipinnata
spiked crested coralroot Hexalectris spicata
spleenwort Asplenium ×ebenoides
spotted geranium Geranium maculatum
spotted sandmat Chamaesyce maculata
spotted water hemlock Cicuta maculata
spreading dogbane Apocynum androsaemifolium
squirrel corn Dicentra canadensis
St. Andrew's cross Hypericum hypericoides
stalked wild petunia Ruellia pedunculata
star tickseed Coreopsis pubescens
stemless evening primrose Oenothera triloba
stiff cowbane Oxypolis rigidior
stiff tickseed Coreopsis palmata
stiff ticktrefoil Desmodium obtusum
stiff yellow flax Linum medium
striped cream violet Viola striata
swamp lousewort Pedicularis lanceolata
swamp thistle Cirsium muticum
sweet coneflower Rudbeckia subtomentosa
sweetscented joe pye weed Eutrochium purpureum
tall blazing star Liatris aspera
tall thimbleweed Anemone virginiana
tall thistle Cirsium altissimum
tall thoroughwort Eupatorium altissimum
terrestrial water-starwort Callitriche terrestris
Texas toadflax Nuttallanthus texanus
thicket bean Phaseolus polystachios
threadleaf evening primrose Oenothera linifolia
three-lobe violet Viola triloba
threeflower melicgrass Melica nitens
tinted woodland spurge Euphorbia commutata
tiny bluet Houstonia pusilla
toothed spurge Euphorbia dentata
trailing lespedeza Lespedeza procumbens
twoflower dwarfdandelion Krigia biflora
twoleaf watermilfoil Myriophyllum heterophyllum
violet lespedeza Lespedeza violacea
violet woodsorrel Oxalis violacea
Virginia dwarfdandelion Krigia virginica
Virginia groundcherry Physalis virginiana
Virginia mountainmint Pycnanthemum virginianum
Virginia pepperweed Lepidium virginicum
Virginia snakeroot Aristolochia serpentaria
Virginia springbeauty Claytonia virginica
Virginia strawberry Fragaria virginiana
Virginia tephrosia Tephrosia virginiana
Virginia winged rockcress Sibara virginica
walking fern Asplenium rhizophyllum
wallrue Asplenium ruta-muraria
warty spurge Euphorbia spathulata
waxyfruit hawthorn Crataegus pruinosa
weakstalk bulrush Schoenoplectiella purshiana
wedgeleaf draba Draba cuneifolia
western rockjasmine Androsace occidentalis
western rough goldenrod Solidago radula
western silver aster Symphyotrichum sericeum
western tansymustard Descurainia pinnata
western waterweed Elodea nuttallii
white arrowleaf aster Symphyotrichum urophyllum
white baneberry Actaea pachypoda
white bear sedge Carex albursina
white blue-eyed grass Sisyrinchium albidum
white crownbeard Verbesina virginica
white four o'clock Mirabilis albida
white snakeroot Ageratina altissima
white vervain Verbena urticifolia
whiteflower leafcup Polymnia canadensis
whitestar Ipomoea lacunosa
wholeleaf rosinweed Silphium integrifolium
whorled milkweed Asclepias verticillata
whorled milkwort Polygala ambigua
whorled milkwort Polygala verticillata
whorled mountainmint Pycnanthemum verticillatum
widowsfrill Silene stellata
wild comfrey Cynoglossum virginianum
wild quinine Parthenium integrifolium
wild yam Dioscorea villosa
willowleaf aster Symphyotrichum praealtum
winged lythrum Lythrum alatum
wingstem Verbesina alternifolia
wiry panicgrass Panicum flexile
witchgrass Panicum capillare
woman's tobacco Antennaria plantaginifolia
Wood's bunchflower Veratrum woodii
woolly sedge Carex pellita
yellow pimpernel Taenidia integerrima
yellowseed false pimpernel Lindernia dubia
zigzag spiderwort Tradescantia subaspera

Also listed as native and introduced here 4

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
bride's feathersAruncus dioicus
climbing false buckwheatPolygonum scandens
Kentucky bluegrassPoa pratensis

Compared with Missouri

The typical county is the median of the 114 Missouri 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, Washington County and Missouri
Measure	Washington County	Typical county	Statewide
Native species	655	557	1,678
Garden-ready natives	226	219	558
Tree	78	—	149
Shrub	15	—	59
Wildflower (forb)	401	—	936
Grass or grass-like	109	—	395
Vine	33	—	79
Fern	19	—	60

Neighboring counties

Counties that share a ZIP code with Washington County.

Crawford County, MO 254 garden-ready
Franklin County, MO 258 garden-ready
Iron County, MO 248 garden-ready
Jefferson County, MO 286 garden-ready
St. Francois County, MO 229 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: Washington County (county FIPS 29221), Missouri. 655 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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