Native plants · Iowa

Native plants of Guthrie County

389 plant species are recorded as native to Iowa in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Guthrie County by USDA PLANTS. 162 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

Guthrie County, Iowa

Native species: 389 Typical Iowa county: 44 (median of 99 counties)
Garden-ready natives: 162 Typical Iowa county: 24
Share by type (all 389 native species): Percent of the 389 native species in each growth type

Tree 6% (24)
Shrub 3% (12)
Wildflower (forb) 61% (236)
Grass or grass-like 25% (97)
Vine 3% (13)
Fern 2% (7)

Wildflowers make up the largest share of the native list (61%), 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 5a to 5b (2023 map).

The native plant list

Garden-ready natives 162

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

Garden-ready native plants of Guthrie County, Iowa
Plant	Type	Height	Light	Water use	Hardy to
alkali buttercup Ranunculus cymbalaria	Wildflower (forb)	1 ft	Shade-tolerant	High	Zone 3b
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 hazelnut Corylus americana	Shrub	10 ft	Sun–part shade	Medium	Zone 4a
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
American water plantain Alisma subcordatum	Wildflower (forb)	6 in	Sun	High	Zone 4a
Bicknell's sedge Carex bicknellii	Grass or grass-like	3.4 ft	Shade-tolerant	Low	Zone 3b
big bluestem Andropogon gerardii	Grass or grass-like	6 ft	Sun	Low	Zone 2b
bitternut hickory Carya cordiformis	Tree	75 ft	Sun	Medium	Zone 2b
black oak Quercus velutina	Tree	80 ft	Sun–part shade	Medium	Zone 4a
black raspberry Rubus occidentalis	Shrub	6 ft	Sun–part shade	Medium	Zone 4b
blackeyed Susan Rudbeckia hirta	Wildflower (forb)	1 ft	Sun	Medium	Zone 5a
blue cohosh Caulophyllum thalictroides	Wildflower (forb)	2.5 ft	Shade-tolerant	Medium	Zone 4a
bluejoint Calamagrostis canadensis	Grass or grass-like	4.9 ft	Sun	Medium	Zone 4a
blunt broom sedge Carex tribuloides	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 4b
bluntleaf bedstraw Galium obtusum	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 4a
broadfruit bur-reed Sparganium eurycarpum	Wildflower (forb)	4.9 ft	Sun–part shade	High	Zone 4a
broadleaf cattail Typha latifolia	Wildflower (forb)	5 ft	Sun–part shade	High	Zone 3b
broadleaf rosette grass Dichanthelium latifolium	Grass or grass-like	3.3 ft	Sun–part shade	Low	Zone 3a
broom sedge Carex scoparia	Grass or grass-like	2.5 ft	Shade-tolerant	High	Zone 3b
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	—
butterfly milkweed Asclepias tuberosa	Wildflower (forb)	2 ft	Sun	Low	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
Canada goldenrod Solidago canadensis	Wildflower (forb)	3.5 ft	Sun	Medium	Zone 3a
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
clustered field sedge Carex praegracilis	Grass or grass-like	2 ft	Sun–part shade	Medium	Zone 3b
common blue wood aster Symphyotrichum cordifolium	Wildflower (forb)	5 ft	Sun	Low	Zone 3b
common cowparsnip Heracleum maximum	Wildflower (forb)	8 ft	Sun	High	Zone 3b
common duckweed Lemna minor	Wildflower (forb)	—	Sun	High	Zone 3b
common evening primrose Oenothera biennis	Wildflower (forb)	5 ft	Sun	Medium	Zone 4b
common hackberry Celtis occidentalis	Tree	60 ft	Shade-tolerant	Low	Zone 2b
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 threesquare Schoenoplectus pungens	Grass or grass-like	4.9 ft	Sun	High	Zone 3b
composite dropseed Sporobolus compositus	Grass or grass-like	3 ft	Sun	Low	Zone 3b
coralberry Symphoricarpos orbiculatus	Shrub	2 ft	Sun–part shade	High	Zone 5a
crested sedge Carex cristatella	Grass or grass-like	3 ft	Shade-tolerant	High	Zone 4a
cup plant Silphium perfoliatum	Wildflower (forb)	6 ft	Sun–part shade	—	Zone 2b
cutleaf coneflower Rudbeckia laciniata	Wildflower (forb)	8.2 ft	Shade-tolerant	Low	Zone 3b
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 blazing star Liatris punctata	Wildflower (forb)	2 ft	Sun	Medium	Zone 3a
dotted smartweed Polygonum punctatum	Wildflower (forb)	3.2 ft	Sun	Medium	Zone 10b
downy arrowwood Viburnum rafinesqueanum	Shrub	6 ft	Shade-tolerant	Low	Zone 3a
eastern woodland sedge Carex blanda	Grass or grass-like	2 ft	Shade-tolerant	High	Zone 4b
fall panicgrass Panicum dichotomiflorum	Grass or grass-like	3.3 ft	Sun	High	Zone 3a
flatstem spikerush Eleocharis compressa	Grass or grass-like	2 ft	Sun	High	Zone 4a
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
giant goldenrod Solidago gigantea	Wildflower (forb)	8.2 ft	Sun–part shade	Medium	Zone 4a
gray dogwood Cornus racemosa	Shrub	10 ft	Shade-tolerant	Medium	Zone 2b
gray goldenrod Solidago nemoralis	Wildflower (forb)	2 ft	Sun	Medium	Zone 4a
green ash Fraxinus pennsylvanica	Tree	80 ft	Shade-tolerant	Medium	Zone 2b
green bulrush Scirpus atrovirens	Grass or grass-like	5.9 ft	Sun	Medium	Zone 2a
groundnut Apios americana	Vine	1 ft	Shade-tolerant	Medium	Zone 5a
hairy grama Bouteloua hirsuta	Grass or grass-like	6 in	Sun	Low	Zone 3b
hairy sedge Carex lacustris	Grass or grass-like	5 ft	Shade-tolerant	High	Zone 4b
hairy white oldfield aster Symphyotrichum pilosum	Wildflower (forb)	3 ft	Shade-tolerant	Medium	Zone 4a
hardstem bulrush Schoenoplectus acutus	Grass or grass-like	9.8 ft	Sun	High	Zone 3b
hop sedge Carex lupulina	Grass or grass-like	4.3 ft	Sun–part shade	Medium	Zone 3b
Indiangrass Sorghastrum nutans	Grass or grass-like	6 ft	Sun	Medium	Zone 3b
inland rush Juncus interior	Grass or grass-like	3 ft	Sun–part shade	Medium	Zone 3b
Jack in the pulpit Arisaema triphyllum	Wildflower (forb)	1.5 ft	Shade-tolerant	High	Zone 5b
Jerusalem artichoke Helianthus tuberosus	Wildflower (forb)	9.8 ft	Sun–part shade	Low	Zone 3a
knotted rush Juncus nodosus	Grass or grass-like	2 ft	Sun	Medium	Zone 4b
leafy pondweed Potamogeton foliosus	Wildflower (forb)	—	Sun	High	Zone 3b
little bluestem Schizachyrium scoparium	Grass or grass-like	3 ft	Sun	Low	Zone 3b
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 muhly Muhlenbergia racemosa	Grass or grass-like	3 ft	Shade-tolerant	Medium	Zone 3b
Missouri River willow Salix eriocephala	Tree	52 ft	Shade-tolerant	High	Zone 3b
nannyberry Viburnum lentago	Tree	28 ft	Shade-tolerant	Medium	Zone 4a
needle spikerush Eleocharis acicularis	Grass or grass-like	8 in	Sun	Medium	Zone 5a
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
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
oval-leaf sedge Carex cephalophora	Grass or grass-like	2.6 ft	Sun–part shade	Low	Zone 4a
pale purple coneflower Echinacea pallida	Wildflower (forb)	1.2 ft	Sun	Medium	Zone 4a
partridge pea Chamaecrista fasciculata	Wildflower (forb)	2.4 ft	Shade-tolerant	Medium	Zone 7a
peachleaf willow Salix amygdaloides	Tree	60 ft	Sun	High	Zone 4a
Pennsylvania smartweed Polygonum pensylvanicum	Wildflower (forb)	3.9 ft	Sun	Medium	Zone 10b
Philadelphia fleabane Erigeron philadelphicus	Wildflower (forb)	2.8 ft	Sun–part shade	Medium	Zone 4b
plains muhly Muhlenbergia cuspidata	Grass or grass-like	1.4 ft	Sun	Low	Zone 3b
porcupinegrass Hesperostipa spartea	Grass or grass-like	4 ft	Sun	Medium	Zone 3b
poverty rush Juncus tenuis	Grass or grass-like	1.5 ft	Sun–part shade	Medium	Zone 3b
prairie cordgrass Spartina pectinata	Grass or grass-like	8 ft	Sun	High	Zone 3b
prairie crab apple Malus ioensis	Tree	25 ft	Sun	Medium	Zone 4b
prairie dropseed Sporobolus heterolepis	Grass or grass-like	2.3 ft	Sun–part shade	Low	Zone 3b
prairie fleabane Erigeron strigosus	Wildflower (forb)	3 ft	Sun	Medium	Zone 4b
prairie Junegrass Koeleria macrantha	Grass or grass-like	1.5 ft	Shade-tolerant	High	Zone 3b
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
purple lovegrass Eragrostis spectabilis	Grass or grass-like	11 in	Sun	Low	Zone 3a
pussy willow Salix discolor	Tree	40 ft	Shade-tolerant	High	Zone 4a
rattlesnake fern Botrychium virginianum	Fern	1.4 ft	Shade-tolerant	Medium	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
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
river bulrush Bolboschoenus fluviatilis	Grass or grass-like	6.6 ft	Sun	Medium	Zone 3b
roadside agrimony Agrimonia striata	Wildflower (forb)	6 ft	Shade-tolerant	Medium	Zone 3a
rough bugleweed Lycopus asper	Wildflower (forb)	2.1 ft	Shade-tolerant	High	Zone 3b
roughfruit amaranth Amaranthus tuberculatus	Wildflower (forb)	6.6 ft	Sun	High	Zone 4a
roughleaf dogwood Cornus drummondii	Tree	20 ft	Sun–part shade	Low	Zone 4b
roundhead lespedeza Lespedeza capitata	Wildflower (forb)	2.6 ft	Sun	Low	Zone 4b
rufous bulrush Scirpus pendulus	Grass or grass-like	4 ft	Sun	Medium	Zone 3b
sawtooth sunflower Helianthus grosseserratus	Wildflower (forb)	5 ft	Sun	Medium	Zone 3a
sideoats grama Bouteloua curtipendula	Grass or grass-like	3 ft	Sun	Medium	Zone 3a
silver maple Acer saccharinum	Tree	90 ft	Sun–part shade	Medium	Zone 2b
slender flatsedge Cyperus bipartitus	Grass or grass-like	5 ft	Sun	Medium	Zone 10b
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 horsetail Equisetum laevigatum	Fern	5 ft	Sun	Low	Zone 3b
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
star duckweed Lemna trisulca	Wildflower (forb)	4 in	Sun	High	Zone 3b
stiff goldenrod Oligoneuron rigidum	Wildflower (forb)	3.6 ft	Sun–part shade	Medium	Zone 3a
strawcolored flatsedge Cyperus strigosus	Grass or grass-like	3.2 ft	Sun	Medium	Zone 4a
swamp milkweed Asclepias incarnata	Wildflower (forb)	4.9 ft	Sun	High	Zone 3b
swamp smartweed Polygonum hydropiperoides	Wildflower (forb)	—	Sun	Medium	Zone 10b
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
tall cinquefoil Potentilla arguta	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 3b
tall hairy agrimony Agrimonia gryposepala	Wildflower (forb)	5.9 ft	Sun–part shade	Medium	Zone 3a
teal lovegrass Eragrostis hypnoides	Grass or grass-like	4 in	Sun	High	Zone 3b
threelobe beggarticks Bidens tripartita	Wildflower (forb)	3.5 ft	Sun–part shade	High	Zone 12a
Torrey's rush Juncus torreyi	Grass or grass-like	3.1 ft	Sun	Medium	Zone 3b
troublesome sedge Carex molesta	Grass or grass-like	3 ft	Sun	Medium	Zone 3b
tufted loosestrife Lysimachia thyrsiflora	Wildflower (forb)	2 ft	Sun–part shade	High	Zone 4a
upland bentgrass Agrostis perennans	Grass or grass-like	3.5 ft	Sun–part shade	High	Zone 4a
upright sedge Carex stricta	Grass or grass-like	4.2 ft	Shade-tolerant	Medium	Zone 3b
valley redstem Ammannia coccinea	Wildflower (forb)	1.6 ft	Sun	Medium	Zone 3b
Virginia creeper Parthenocissus quinquefolia	Vine	1 ft	Sun–part shade	Low	Zone 4b
Virginia iris Iris virginica	Wildflower (forb)	3.3 ft	Shade-tolerant	High	Zone 8b
Virginia threeseed mercury Acalypha virginica	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 10b
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
wheat sedge Carex atherodes	Grass or grass-like	5 ft	Sun	High	Zone 3b
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 panicle aster Symphyotrichum lanceolatum	Wildflower (forb)	6 ft	Sun–part shade	High	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
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
wirestem muhly Muhlenbergia frondosa	Grass or grass-like	2 ft	Shade-tolerant	Medium	Zone 3b
yellow marsh marigold Caltha palustris	Wildflower (forb)	2 ft	Sun	High	Zone 3b
zigzag goldenrod Solidago flexicaulis	Wildflower (forb)	3 ft	Sun–part shade	Medium	Zone 5b

Other native species recorded here 227

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.

Allegheny monkeyflower Mimulus ringens
amberique-bean Strophostyles helvola
American burnweed Erechtites hieraciifolius
American ginseng Panax quinquefolius
American hogpeanut Amphicarpaea bracteata
American lopseed Phryma leptostachya
American spikenard Aralia racemosa
American stoneseed Lithospermum latifolium
aromatic aster Symphyotrichum oblongifolium
arrowhead rattlebox Crotalaria sagittalis
bald spikerush Eleocharis erythropoda
Baldwin's ironweed Vernonia baldwinii
bastard toadflax Comandra umbellata
bearded flatsedge Cyperus squarrosus
bearded shorthusk Brachyelytrum erectum
beggarslice Hackelia virginiana
biannual lettuce Lactuca ludoviciana
big devils beggartick Bidens vulgata
bigbract verbena Verbena bracteata
birdfoot violet Viola pedata
blackseed plantain Plantago rugelii
bluejacket Tradescantia ohiensis
bluntlobe cliff fern Woodsia obtusa
bog yellowcress Rorippa palustris
bottomland aster Symphyotrichum ontarionis
brittle bladderfern Cystopteris fragilis
browneyed Susan Rudbeckia triloba
buffalobur nightshade Solanum rostratum
bushy knotweed Polygonum ramosissimum
button eryngo Eryngium yuccifolium
Canada lettuce Lactuca canadensis
Canadian blacksnakeroot Sanicula canadensis
Canadian clearweed Pilea pumila
Canadian honewort Cryptotaenia canadensis
Canadian wildginger Asarum canadense
candle anemone Anemone cylindrica
Carolina horsenettle Solanum carolinense
Carolina larkspur Delphinium carolinianum
Carolina puccoon Lithospermum caroliniense
carpenter's square Scrophularia marilandica
churchmouse threeawn Aristida dichotoma
Clayton's sweetroot Osmorhiza claytonii
clustered blacksnakeroot Sanicula odorata
Columbian watermeal Wolffia columbiana
common boneset Eupatorium perfoliatum
common milkweed Asclepias syriaca
common pricklyash Zanthoxylum americanum
common threeseed mercury Acalypha rhomboidea
compassplant Silphium laciniatum
Culver's root Veronicastrum virginicum
curlytop knotweed Polygonum lapathifolium
cutleaf toothwort Cardamine concatenata
Davis' sedge Carex davisii
desert goosefoot Chenopodium pratericola
downy gentian Gentiana puberulenta
downy phlox Phlox pilosa
dwarf chinquapin oak Quercus prinoides
dwarf larkspur Delphinium tricorne
eastern bottlebrush grass Elymus hystrix
eastern daisy fleabane Erigeron annuus
eastern waterleaf Hydrophyllum virginianum
elmleaf goldenrod Solidago ulmifolia
fall rosette grass Dichanthelium wilcoxianum
feathery false lily of the valley Maianthemum racemosum
fetid marigold Dyssodia papposa
feverwort Triosteum perfoliatum
field thistle Cirsium discolor
fire on the mountain Euphorbia cyathophora
fiveangled dodder Cuscuta pentagona
fleshy hawthorn Crataegus succulenta
Flodman's thistle Cirsium flodmanii
flowering spurge Euphorbia corollata
forked threeawn Aristida basiramea
fourflower yellow loosestrife Lysimachia quadriflora
foxtail barley Hordeum jubatum
fragrant bedstraw Galium triflorum
fragrant sumac Rhus aromatica
fringed willowherb Epilobium ciliatum
golden zizia Zizia aurea
great blue lobelia Lobelia siphilitica
Great Plains flatsedge Cyperus lupulinus
great ragweed Ambrosia trifida
grooved flax Linum sulcatum
hairy four o'clock Mirabilis hirsuta
hairy hedgenettle Stachys pilosa
hairy wildrye Elymus villosus
hairy woodland brome Bromus pubescens
hairyjoint meadowparsnip Thaspium barbinode
Hayden's sedge Carex haydenii
heartleaf four o'clock Mirabilis nyctaginea
heavy sedge Carex gravida
hemlock waterparsnip Sium suave
hoary frostweed Helianthemum bicknellii
hoary puccoon Lithospermum canescens
hoary verbena Verbena stricta
honeyvine Cynanchum laeve
Illinois ticktrefoil Desmodium illinoense
Indianpipe Monotropa uniflora
inflated narrow-leaf sedge Carex grisea
Jersey tea Ceanothus herbaceus
jumpseed Polygonum virginianum
lanceleaf buckthorn Rhamnus lanceolata
lanceleaf figwort Scrophularia lanceolata
lanceleaf sage Salvia reflexa
large Indian breadroot Pediomelum esculentum
large St. Johnswort Hypericum majus
largebract ticktrefoil Desmodium cuspidatum
largebracted plantain Plantago aristata
largeflower bellwort Uvularia grandiflora
leathery knotweed Polygonum achoreum
lesser yellow lady's slipper Cypripedium parviflorum
limber honeysuckle Lonicera dioica
longbract spiderwort Tradescantia bracteata
longflower beeblossom Oenothera filiformis
longleaf groundcherry Physalis longifolia
longstyle sweetroot Osmorhiza longistylis
lowland bladderfern Cystopteris protrusa
marsh pea Lathyrus palustris
marsh skullcap Scutellaria galericulata
Maximilian sunflower Helianthus maximiliani
Mead's sedge Carex meadii
meadow garlic Allium canadense
Michigan lily Lilium michiganense
Missouri gooseberry Ribes missouriense
narrowleaf mountainmint Pycnanthemum tenuifolium
narrowleaf stoneseed Lithospermum incisum
neckweed Veronica peregrina
New England aster Symphyotrichum novae-angliae
northern bog violet Viola nephrophylla
northern bugleweed Lycopus uniflorus
Norwegian cinquefoil Potentilla norvegica
Nuttall's prairie parsley Polytaenia nuttallii
pale dock Rumex altissimus
pale spikerush Eleocharis macrostachya
paleleaf woodland sunflower Helianthus strumosus
palespike lobelia Lobelia spicata
parasol whitetop Doellingeria umbellata
Pennsylvania pellitory Parietaria pensylvanica
Pennsylvania sedge Carex pensylvanica
pleatleaf knotweed Polygonum tenue
pointedleaf ticktrefoil Desmodium glutinosum
poverty dropseed Sporobolus vaginiflorus
poverty oatgrass Danthonia spicata
prairie blue-eyed grass Sisyrinchium campestre
prairie groundsel Packera plattensis
prairie ironweed Vernonia fasciculata
prairie milkweed Asclepias sullivantii
prairie threeawn Aristida oligantha
prairie violet Viola pedatifida
puffsheath dropseed Sporobolus neglectus
purple giant hyssop Agastache scrophulariifolia
purple meadow-rue Thalictrum dasycarpum
purple milkweed Asclepias purpurascens
rabbit-tobacco Pseudognaphalium obtusifolium
ramp Allium tricoccum
red baneberry Actaea rubra
red columbine Aquilegia canadensis
rock muhly Muhlenbergia sobolifera
rope dodder Cuscuta glomerata
rosy sedge Carex rosea
rough barnyardgrass Echinochloa muricata
rough rattlesnakeroot Prenanthes aspera
rue anemone Thalictrum thalictroides
Sartwell's sedge Carex sartwellii
Schweinitz's flatsedge Cyperus schweinitzii
sensitive fern Onoclea sensibilis
shortbeak arrowhead Sagittaria brevirostra
shortbeak sedge Carex brevior
showy lady's slipper Cypripedium reginae
sicklepod Arabis canadensis
silky dogwood Cornus obliqua
silverleaf Indian breadroot Pediomelum argophyllum
sixweeks fescue Vulpia octoflora
skyblue aster Symphyotrichum oolentangiense
sleepy silene Silene antirrhina
slender wedgescale Sphenopholis intermedia
slender yellow woodsorrel Oxalis dillenii
slenderleaf false foxglove Agalinis tenuifolia
slimleaf panicgrass Dichanthelium linearifolium
small skullcap Scutellaria parvula
smooth forked nailwort Paronychia canadensis
smooth oxeye Heliopsis helianthoides
smooth rose Rosa blanda
smooth Solomon's seal Polygonatum biflorum
soft agrimony Agrimonia pubescens
soft-hair marbleseed Onosmodium bejariense
spotted sandmat Chamaesyce maculata
spotted water hemlock Cicuta maculata
Sprengel's sedge Carex sprengelii
starry false lily of the valley Maianthemum stellatum
stiff sunflower Helianthus pauciflorus
swamp lousewort Pedicularis lanceolata
swamp verbena Verbena hastata
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
tall tickseed Coreopsis tripteris
thin paspalum Paspalum setaceum
toothed spurge Euphorbia dentata
tufted lovegrass Eragrostis pectinacea
tumblegrass Schedonnardus paniculatus
upright carrionflower Smilax ecirrhata
violet woodsorrel Oxalis violacea
Virginia groundcherry Physalis virginiana
Virginia pepperweed Lepidium virginicum
Virginia strawberry Fragaria virginiana
western silver aster Symphyotrichum sericeum
western waterweed Elodea nuttallii
white fawnlily Erythronium albidum
white heath aster Symphyotrichum ericoides
white rattlesnakeroot Prenanthes alba
white snakeroot Ageratina altissima
white vervain Verbena urticifolia
wholeleaf rosinweed Silphium integrifolium
whorled milkweed Asclepias verticillata
widowsfrill Silene stellata
willowleaf aster Symphyotrichum praealtum
winged lythrum Lythrum alatum
wingstem Verbesina alternifolia
witchgrass Panicum capillare
woodland lettuce Lactuca floridana
woodland strawberry Fragaria vesca
yellowfruit sedge Carex annectens
yellowseed false pimpernel Lindernia dubia

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.

annual ragweedAmbrosia artemisiifolia
climbing false buckwheatPolygonum scandens
Kentucky bluegrassPoa pratensis

Compared with Iowa

The typical county is the median of the 99 Iowa 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, Guthrie County and Iowa
Measure	Guthrie County	Typical county	Statewide
Native species	389	44	1,374
Garden-ready natives	162	24	496
Tree	24	—	110
Shrub	12	—	72
Wildflower (forb)	236	—	779
Grass or grass-like	97	—	298
Vine	13	—	55
Fern	7	—	60

Neighboring counties

Counties that share a ZIP code with Guthrie County.

Adair County, IA 93 garden-ready
Audubon County, IA 66 garden-ready
Carroll County, IA 41 garden-ready
Cass County, IA 76 garden-ready
Dallas County, IA 23 garden-ready
Greene County, IA 55 garden-ready
Madison County, IA 138 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: Guthrie County (county FIPS 19077), Iowa. 389 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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