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Native plants recorded in your state and county

Native plants · Kansas

Native plants of Ottawa County

315 plant species are recorded as native to Kansas in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Ottawa County by USDA PLANTS. 128 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

Ottawa County, Kansas

Native species
315 Typical Kansas county: 335 (median of 105 counties)
Garden-ready natives
128 Typical Kansas county: 141
Share by type (all 315 native species)
Percent of the 315 native species in each growth type
Tree 7% (23)
Shrub 3% (10)
Wildflower (forb) 62% (194)
Grass or grass-like 22% (68)
Vine 4% (14)
Fern 2% (6)

Wildflowers make up the largest share of the native list (62%), followed by grasses and grass-like plants (22%).

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

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

Garden-ready natives 128

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

Garden-ready native plants of Ottawa County, Kansas
PlantType HeightLight Water useHardy to
American basswood Tilia americana Tree 100 ft Shade-tolerant Medium Zone 2b
American elm Ulmus americana Tree 120 ft Sun–part shade High Zone 2b
American licorice Glycyrrhiza lepidota Wildflower (forb) 4 ft Sun–part shade High Zone 3b
American lotus Nelumbo lutea Wildflower (forb) 3 ft Sun High Zone 3b
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 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
big bluestem Andropogon gerardii Grass or grass-like 6 ft Sun Low Zone 2b
black raspberry Rubus occidentalis Shrub 6 ft Sun–part shade Medium Zone 4b
black walnut Juglans nigra Tree 100 ft Sun High Zone 4b
black willow Salix nigra Tree 100 ft Sun High Zone 1b
blue grama Bouteloua gracilis Grass or grass-like 1 ft Sun Medium Zone 3a
boxelder Acer negundo Tree 60 ft Shade-tolerant Medium Zone 2b
broadleaf arrowhead Sagittaria latifolia Wildflower (forb) 4.9 ft Sun High Zone 4a
broadleaf cattail Typha latifolia Wildflower (forb) 5 ft Sun–part shade High Zone 3b
buffalograss Bouteloua dactyloides Grass or grass-like 6 in Sun Medium Zone 3b
bur oak Quercus macrocarpa Tree 100 ft Sun–part shade Medium Zone 3b
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 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
Chickasaw plum Prunus angustifolia Tree 12 ft Sun Medium Zone 4b
chokecherry Prunus virginiana Tree 25 ft Sun Medium Zone 3a
common duckweed Lemna minor Wildflower (forb) — Sun High Zone 3b
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
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
crested pricklypoppy Argemone polyanthemos Wildflower (forb) 3 ft Sun Low Zone 5a
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 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 paintedcup Castilleja sessiliflora Wildflower (forb) 1.3 ft Sun Low Zone 3b
eastern cottonwood Populus deltoides Tree 190 ft Sun High Zone 3a
eastern gamagrass Tripsacum dactyloides Grass or grass-like 5 ft Sun High Zone 5a
eastern redcedar Juniperus virginiana Tree 50 ft Sun–part shade Low Zone 3a
fall panicgrass Panicum dichotomiflorum Grass or grass-like 3.3 ft Sun High Zone 3a
false daisy Eclipta prostrata Wildflower (forb) 3.2 ft Sun–part shade Medium Zone 10b
field pussytoes Antennaria neglecta Wildflower (forb) 1 ft Sun Low Zone 3b
fox sedge Carex vulpinoidea Grass or grass-like 3.2 ft Sun–part shade Medium 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
giant goldenrod Solidago gigantea Wildflower (forb) 8.2 ft Sun–part shade Medium Zone 4a
golden currant Ribes aureum Shrub 10 ft Sun–part shade Low Zone 3b
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
hairy grama Bouteloua hirsuta Grass or grass-like 6 in Sun Low Zone 3b
harvestlice Agrimonia parviflora Wildflower (forb) 6 ft Sun–part shade High Zone 4a
honeylocust Gleditsia triacanthos Tree 70 ft Sun Medium Zone 3b
Illinois bundleflower Desmanthus illinoensis Wildflower (forb) 3 ft Sun Medium Zone 5b
Indiangrass Sorghastrum nutans Grass or grass-like 6 ft Sun Medium Zone 3b
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
Kentucky coffeetree Gymnocladus dioicus Tree 100 ft Sun Medium Zone 4a
leadplant Amorpha canescens Shrub 4 ft Shade-tolerant Low 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
littleleaf buttercup Ranunculus abortivus Wildflower (forb) 2.8 ft Shade-tolerant Medium Zone 3a
longleaf pondweed Potamogeton nodosus Wildflower (forb) — Sun High Zone 3b
Malabar sprangletop Leptochloa fusca Grass or grass-like 3.3 ft Sun High Zone 3a
marsh muhly Muhlenbergia racemosa Grass or grass-like 3 ft Shade-tolerant Medium Zone 3b
Mexican muhly Muhlenbergia mexicana Grass or grass-like 3 ft Sun–part shade Medium Zone 4a
Missouri goldenrod Solidago missouriensis Wildflower (forb) 3 ft Sun–part shade Low Zone 3b
Missouri gourd Cucurbita foetidissima Vine 1 ft Sun Low Zone 5a
nodding beggartick Bidens cernua Wildflower (forb) 3.2 ft Sun–part shade High Zone 12a
northern catalpa Catalpa speciosa Tree 60 ft Sun Low Zone 3b
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
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
prairie cordgrass Spartina pectinata Grass or grass-like 8 ft Sun High 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
purple lovegrass Eragrostis spectabilis Grass or grass-like 11 in Sun Low Zone 3a
purple poppymallow Callirhoe involucrata Wildflower (forb) 1 ft Sun Medium Zone 3b
purple prairie clover Dalea purpurea Wildflower (forb) 3 ft Sun Medium Zone 3b
purple threeawn Aristida purpurea Grass or grass-like 1.4 ft Sun Low Zone 4a
purpletop tridens Tridens flavus Grass or grass-like 2.5 ft Sun Low Zone 5a
red mulberry Morus rubra Tree 70 ft Shade-tolerant Medium Zone 4a
river bulrush Bolboschoenus fluviatilis Grass or grass-like 6.6 ft Sun Medium Zone 3b
riverbank grape Vitis riparia Vine 45 ft Sun–part shade Medium Zone 4a
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
sand dropseed Sporobolus cryptandrus Grass or grass-like 3 ft Sun Low Zone 3b
sand lovegrass Eragrostis trichodes Grass or grass-like 3.5 ft Sun Medium Zone 5a
sandbar willow Salix interior Tree 30 ft Sun — Zone 1a
scarlet globemallow Sphaeralcea coccinea Wildflower (forb) 1.5 ft Sun Low Zone 5a
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 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 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
southern waternymph Najas guadalupensis Wildflower (forb) 1 ft Sun High Zone 3b
spreading yellowcress Rorippa sinuata Wildflower (forb) 1 ft Sun Medium 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
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
tenpetal blazingstar Mentzelia decapetala Wildflower (forb) 3.5 ft Sun Medium Zone 3b
Torrey's rush Juncus torreyi Grass or grass-like 3.1 ft Sun Medium Zone 3b
twoheaded water-starwort Callitriche heterophylla Wildflower (forb) — Sun High Zone 4a
upright prairie coneflower Ratibida columnifera Wildflower (forb) 3.1 ft Sun Medium Zone 3a
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 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
western wheatgrass Pascopyrum smithii Grass or grass-like 2 ft Sun Medium Zone 3a
white avens Geum canadense Wildflower (forb) 3.9 ft Shade-tolerant Medium Zone 4a
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
winter bentgrass Agrostis hyemalis Grass or grass-like 3.5 ft Sun–part shade High Zone 4a
woodland muhly Muhlenbergia sylvatica Grass or grass-like 3 ft Sun–part shade Medium Zone 4b
woolly plantain Plantago patagonica Wildflower (forb) 6 in Sun Low Zone 12b

Other native species recorded here 187

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.

  • aromatic aster Symphyotrichum oblongifolium
  • arrowfeather threeawn Aristida purpurascens
  • Aunt Lucy Ellisia nyctelea
  • azure blue sage Salvia azurea
  • Baldwin's ironweed Vernonia baldwinii
  • bearded flatsedge Cyperus squarrosus
  • beggarslice Hackelia virginiana
  • biannual lettuce Lactuca ludoviciana
  • bigbract verbena Verbena bracteata
  • blue skullcap Scutellaria lateriflora
  • blue wild indigo Baptisia australis
  • bluntlobe cliff fern Woodsia obtusa
  • Brazilian watermeal Wolffia brasiliensis
  • bristly greenbrier Smilax tamnoides
  • buffalobur nightshade Solanum rostratum
  • bushy knotweed Polygonum ramosissimum
  • camphorweed Heterotheca subaxillaris
  • Canada lettuce Lactuca canadensis
  • Carolina anemone Anemone caroliniana
  • Carolina draba Draba reptans
  • Carolina geranium Geranium carolinianum
  • Carolina larkspur Delphinium carolinianum
  • Carolina puccoon Lithospermum caroliniense
  • Carolina woollywhite Hymenopappus scabiosaeus
  • chairmaker's bulrush Schoenoplectus americanus
  • clasping milkweed Asclepias amplexicaulis
  • clasping Venus' looking-glass Triodanis perfoliata
  • Columbian watermeal Wolffia columbiana
  • common milkweed Asclepias syriaca
  • common moonseed Menispermum canadense
  • common yellow oxalis Oxalis stricta
  • compassplant Silphium laciniatum
  • crowpoison Nothoscordum bivalve
  • Cuman ragweed Ambrosia psilostachya
  • curlycup gumweed Grindelia squarrosa
  • curlytop knotweed Polygonum lapathifolium
  • curvepod fumewort Corydalis curvisiliqua
  • cutleaf evening primrose Oenothera laciniata
  • cutleaf watermilfoil Myriophyllum pinnatum
  • desert biscuitroot Lomatium foeniculaceum
  • desert goosefoot Chenopodium pratericola
  • diamond-flowers Stenaria nigricans
  • downy ragged goldenrod Solidago petiolaris
  • dwarf horseweed Conyza ramosissima
  • eastern poison ivy Toxicodendron radicans
  • eyebane Chamaesyce nutans
  • fall witchgrass Digitaria cognata
  • fetid marigold Dyssodia papposa
  • field pansy Viola bicolor
  • floating primrose-willow Ludwigia peploides
  • foxtail barley Hordeum jubatum
  • golden zizia Zizia aurea
  • Great Plains flatsedge Cyperus lupulinus
  • great ragweed Ambrosia trifida
  • green antelopehorn Asclepias viridis
  • green carpetweed Mollugo verticillata
  • green comet milkweed Asclepias viridiflora
  • grooved flax Linum sulcatum
  • hairy evening primrose Oenothera villosa
  • hairy fimbry Fimbristylis puberula
  • hairy hawkweed Hieracium longipilum
  • hairy wildrye Elymus villosus
  • heartleaf four o'clock Mirabilis nyctaginea
  • heavy sedge Carex gravida
  • hedge false bindweed Calystegia sepium
  • Heller's rosette grass Dichanthelium oligosanthes
  • hoary ticktrefoil Desmodium canescens
  • hoary verbena Verbena stricta
  • hogwort Croton capitatus
  • Hopi tea greenthread Thelesperma megapotamicum
  • Illinois ticktrefoil Desmodium illinoense
  • inflated narrow-leaf sedge Carex grisea
  • Jersey tea Ceanothus herbaceus
  • lacy tansyaster Machaeranthera pinnatifida
  • lanceleaf sage Salvia reflexa
  • large Indian breadroot Pediomelum esculentum
  • largebracted plantain Plantago aristata
  • light poppymallow Callirhoe alcaeoides
  • long-stolon sedge Carex inops
  • longbract spiderwort Tradescantia bracteata
  • longleaf groundcherry Physalis longifolia
  • mapleleaf goosefoot Chenopodium simplex
  • mat sandbur Cenchrus longispinus
  • matted sandmat Chamaesyce serpens
  • Maximilian sunflower Helianthus maximiliani
  • Mead's sedge Carex meadii
  • meadow garlic Allium canadense
  • minute duckweed Lemna perpusilla
  • Missouri gooseberry Ribes missouriense
  • Missouri violet Viola missouriensis
  • narrowleaf four o'clock Mirabilis linearis
  • narrowleaf purple coneflower Echinacea angustifolia
  • narrowleaf stoneseed Lithospermum incisum
  • neckweed Veronica peregrina
  • northern bog violet Viola nephrophylla
  • Nuttall's sensitive-briar Mimosa nuttallii
  • oneseed bur cucumber Sicyos angulatus
  • pale dock Rumex altissimus
  • Pennsylvania pellitory Parietaria pensylvanica
  • pinkladies Oenothera speciosa
  • pitseed goosefoot Chenopodium berlandieri
  • plains bluegrass Poa arida
  • plains snakecotton Froelichia floridana
  • prairie cupgrass Eriochloa contracta
  • prairie false dandelion Nothocalais cuspidata
  • prairie groundcherry Physalis hispida
  • prairie groundsel Packera plattensis
  • prairie milkweed Asclepias sullivantii
  • prairie rose Rosa arkansana
  • prairie spiderwort Tradescantia occidentalis
  • prairie sunflower Helianthus petiolaris
  • prairie threeawn Aristida oligantha
  • prostrate sandmat Chamaesyce prostrata
  • purple cliffbrake Pellaea atropurpurea
  • Red River scaleseed Spermolepis inermis
  • redwhisker clammyweed Polanisia dodecandra
  • ribseed sandmat Chamaesyce glyptosperma
  • rock muhly Muhlenbergia sobolifera
  • rough barnyardgrass Echinochloa muricata
  • rough false pennyroyal Hedeoma hispida
  • rush skeletonplant Lygodesmia juncea
  • scarlet beeblossom Oenothera suffrutescens
  • sensitive fern Onoclea sensibilis
  • shaggy dwarf morning-glory Evolvulus nuttallianus
  • shortbeak sedge Carex brevior
  • shortspike watermilfoil Myriophyllum sibiricum
  • shortstalk chickweed Cerastium brachypodum
  • silverleaf Indian breadroot Pediomelum argophyllum
  • sixangle spurge Euphorbia hexagona
  • sixweeks fescue Vulpia octoflora
  • sleepy silene Silene antirrhina
  • slender lipfern Cheilanthes feei
  • slender snakecotton Froelichia gracilis
  • slender yellow woodsorrel Oxalis dillenii
  • slickseed fuzzybean Strophostyles leiosperma
  • slimflower scurfpea Psoralidium tenuiflorum
  • slimleaf milkweed Asclepias stenophylla
  • slimpod Venus' looking-glass Triodanis leptocarpa
  • small skullcap Scutellaria parvula
  • smartweed dodder Cuscuta polygonorum
  • smooth cliffbrake Pellaea glabella
  • snow on the mountain Euphorbia marginata
  • southern annual saltmarsh aster Symphyotrichum divaricatum
  • southern sedge Carex austrina
  • spinystar Escobaria vivipara
  • spotted sandmat Chamaesyce maculata
  • spotted water hemlock Cicuta maculata
  • spreading chervil Chaerophyllum procumbens
  • spreading sandmat Chamaesyce humistrata
  • spring forget-me-not Myosotis verna
  • spring lady's tresses Spiranthes vernalis
  • Standley's goosefoot Chenopodium standleyanum
  • stiff sunflower Helianthus pauciflorus
  • swamp verbena Verbena hastata
  • tall thistle Cirsium altissimum
  • Texas croton Croton texensis
  • Texas goldentop Euthamia gymnospermoides
  • Texas toadflax Nuttallanthus texanus
  • thin paspalum Paspalum setaceum
  • toothed spurge Euphorbia dentata
  • tufted lovegrass Eragrostis pectinacea
  • tumble windmill grass Chloris verticillata
  • tumblegrass Schedonnardus paniculatus
  • twistspine pricklypear Opuntia macrorhiza
  • velvetweed Oenothera curtiflora
  • velvety goldenrod Solidago mollis
  • violet woodsorrel Oxalis violacea
  • Virginia plantain Plantago virginica
  • Virginia tephrosia Tephrosia virginiana
  • warty spurge Euphorbia spathulata
  • wavyleaf thistle Cirsium undulatum
  • wedgeleaf Phyla cuneifolia
  • western poison ivy Toxicodendron rydbergii
  • western rockjasmine Androsace occidentalis
  • western silver aster Symphyotrichum sericeum
  • western tansymustard Descurainia pinnata
  • white four o'clock Mirabilis albida
  • white heath aster Symphyotrichum ericoides
  • white vervain Verbena urticifolia
  • white wand beardtongue Penstemon tubaeflorus
  • whitemouth dayflower Commelina erecta
  • wholeleaf rosinweed Silphium integrifolium
  • whorled milkweed Asclepias verticillata
  • wild cucumber Echinocystis lobata
  • winged pigweed Cycloloma atriplicifolium
  • witchgrass Panicum capillare
  • woolly sedge Carex pellita
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.

  • annual ragweedAmbrosia artemisiifolia
  • climbing false buckwheatPolygonum scandens

Compared with Kansas

The typical county is the median of the 105 Kansas 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, Ottawa County and Kansas
MeasureOttawa CountyTypical countyStatewide
Native species 315 335 1,264
Garden-ready natives 128 141 447
Tree 23 — 88
Shrub 10 — 42
Wildflower (forb) 194 — 752
Grass or grass-like 68 — 285
Vine 14 — 61
Fern 6 — 36

Neighboring counties

Counties that share a ZIP code with Ottawa 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
Ottawa County (county FIPS 20143), Kansas. 315 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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