Natives by ZIP

Native plants recorded in your state and county

Native plants · State

Native plants of New Hampshire

1,274 species are recorded as native to New Hampshire in Kew’s World Checklist of Vascular Plants and USDA PLANTS and recorded in the state by USDA PLANTS, 488 of them with growing traits. County lists cover 10 of the state’s 10 counties; the typical county has 768.

State summary · USDA PLANTS and Kew WCVP

New Hampshire at a glance

Native species statewide
1,274 Of 1,557 species Kew’s World Checklist records as native to New Hampshire (before this site’s scope)
Garden-ready natives
488 With PLANTS growing records
Typical county
768 Median native species per county; 326 garden-ready
Share by type (all 1,274 native species)
Percent of the 1,274 native species in each growth type
Tree 9% (118)
Shrub 8% (99)
Wildflower (forb) 50% (641)
Grass or grass-like 24% (303)
Vine 3% (34)
Fern 6% (79)

Wildflowers: 641 · grasses and grass-like: 303 · trees: 118 · shrubs: 99 · vines: 34 · ferns: 79.

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.

Native plants by county

10 New Hampshire counties with PLANTS county records
CountyNative speciesGarden-readyHardiness zones
Belknap County 559 245 5b
Carroll County 745 308 5a–5b
Cheshire County 805 335 5b–6a
Coos County 755 325 4a–5a
Grafton County 781 327 4b–5b
Hillsborough County 790 334 5b–6a
Merrimack County 635 266 5a–6a
Rockingham County 806 350 6a–6b
Strafford County 848 371 5b–6a
Sullivan County 577 261 5a–6a

Garden-ready natives of New Hampshire

Statewide list. A species native somewhere in New Hampshire may not be native in your county: use the county lists above to narrow it.

Tree 97

Shrub 62

Wildflower (forb) 160

Grass or grass-like 145

Vine 14

Fern 10

Also listed as native and introduced here 5

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
  • common reedPhragmites australis
  • hedge false bindweedCalystegia sepium
  • Kentucky bluegrassPoa pratensis
  • wood bluegrassPoa nemoralis

Look up a New Hampshire 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.

Territories: Puerto Rico · U.S. Virgin Islands

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
New Hampshire: 1,274 native species in this site’s scope; county lists for 10 counties.
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

Independent reference site. No government affiliation or endorsement.