Native plants · Iowa

Native plants of Wapello County

19 plant species are recorded as native to Iowa in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Wapello County by USDA PLANTS. 6 of them have growing records you can filter by light, moisture, height and estimated cold hardiness.

County summary · USDA PLANTS and Kew WCVP

Wapello County, Iowa

PLANTS records only 6 garden-ready natives here (under 30). County records are thin in some places; the Iowa list is a useful second check.

Native species: 19 Typical Iowa county: 44 (median of 99 counties)
Garden-ready natives: 6 Typical Iowa county: 24
Share by type (all 19 native species): Percent of the 19 native species in each growth type

Tree 16% (3)
Grass or grass-like 58% (11)
Fern 26% (5)

Grasses and grass-like plants make up the largest share of the native list (58%), followed by ferns (26%).

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 5b (2023 map).

The native plant list

Garden-ready natives 6

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

Garden-ready native plants of Wapello County, Iowa
Plant	Type	Height	Light	Water use	Hardy to
blackjack oak Quercus marilandica	Tree	25 ft	Sun	Low	Zone 6a
field horsetail Equisetum arvense	Fern	11 in	Sun–part shade	High	Zone 3a
northern maidenhair Adiantum pedatum	Fern	1.3 ft	Shade-tolerant	Medium	Zone 3b
quaking aspen Populus tremuloides	Tree	65 ft	Sun	High	Zone 1a
sand dropseed Sporobolus cryptandrus	Grass or grass-like	3 ft	Sun	Low	Zone 3b
shingle oak Quercus imbricaria	Tree	45 ft	Sun	Medium	Zone 5b

Other native species recorded here 13

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.

Chapman's bluegrass Poa chapmaniana
Christmas fern Polystichum acrostichoides
churchmouse threeawn Aristida dichotoma
forked threeawn Aristida basiramea
lace grass Eragrostis capillaris
poverty oatgrass Danthonia spicata
prairie threeawn Aristida oligantha
sensitive fern Onoclea sensibilis
sixweeks fescue Vulpia octoflora
slimleaf panicgrass Dichanthelium linearifolium
slimspike threeawn Aristida longespica
tumble windmill grass Chloris verticillata
walking fern Asplenium rhizophyllum

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, Wapello County and Iowa
Measure	Wapello County	Typical county	Statewide
Native species	19	44	1,374
Garden-ready natives	6	24	496
Tree	3	—	110
Shrub	0	—	72
Wildflower (forb)	0	—	779
Grass or grass-like	11	—	298
Vine	0	—	55
Fern	5	—	60

Neighboring counties

Counties that share a ZIP code with Wapello County.

Davis County, IA 8 garden-ready
Jefferson County, IA 7 garden-ready
Keokuk County, IA 3 garden-ready
Mahaska County, IA 33 garden-ready
Monroe County, IA 5 garden-ready
Van Buren County, IA 10 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: Wapello County (county FIPS 19179), Iowa. 19 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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