Native plants · State

Native plants of Arizona

922 species are recorded as native to Arizona in Kew’s World Checklist of Vascular Plants and USDA PLANTS and recorded in the state by USDA PLANTS, 509 of them with growing traits. County lists cover 15 of the state’s 15 counties; the typical county has 356.

State summary · USDA PLANTS and Kew WCVP

Arizona at a glance

Native species statewide
922 Of 3,663 species Kew’s World Checklist records as native to Arizona (before this site’s scope)
Garden-ready natives
509 With PLANTS growing records
Typical county
356 Median native species per county; 210 garden-ready
Share by type (all 922 native species)
Percent of the 922 native species in each growth type
Tree 8% (75)
Shrub 10% (95)
Wildflower (forb) 51% (471)
Grass or grass-like 25% (229)
Vine 2% (20)
Fern 3% (32)

Wildflowers: 471 · grasses and grass-like: 229 · trees: 75 · shrubs: 95 · vines: 20 · ferns: 32.

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

15 Arizona counties with PLANTS county records
CountyNative speciesGarden-readyHardiness zones
Apache County 604 338 6a–7a
Cochise County 438 227 8a–8b
Coconino County 667 387 5b–7b
Gila County 356 192 7a–9a
Graham County 388 226 8b–9a
Greenlee County 207 116 8a–8b
La Paz County 93 63 9a–9b
Maricopa County 311 175 9a–10a
Mohave County 334 210 7b–10a
Navajo County 468 263 6b–7b
Pima County 462 249 8b–9b
Pinal County 192 112 9a–9b
Santa Cruz County 285 145 8a–8b
Yavapai County 417 245 7a–9b
Yuma County 121 73 9a–10a

Garden-ready natives of Arizona

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

Tree 71

Shrub 82

Wildflower (forb) 187

Grass or grass-like 157

Vine 6

Fern 6

Also listed as native and introduced here 8

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
  • biennial wormwoodArtemisia biennis
  • cayenne pepperCapsicum annuum
  • common pepperweedLepidium densiflorum
  • common reedPhragmites australis
  • floating primrose-willowLudwigia peploides
  • Kentucky bluegrassPoa pratensis
  • white sagebrushArtemisia ludoviciana

Look up a Arizona 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
Arizona: 922 native species in this site’s scope; county lists for 15 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.