Natives by ZIP

Native plants recorded in your state and county

Grass or grass-like · Poaceae

Caribgrass

Eriochloa polystachya

In this build, Caribgrass is not on any county’s main native list.

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.

Key facts · USDA PLANTS

Caribgrass at a glance

Native in
0 counties, across 0 states and territories
Estimated cold hardiness
Zone 9a PLANTS minimum temperature 18°F
Mature height
3 ft PLANTS mature height
Light and water
Full sun (shade-intolerant) Moisture use not recorded

Estimated cold hardiness: zone 9a. PLANTS gives a minimum temperature of 18°F; zone 9a winters bottom out at 20°F, the coldest half-zone that stays within that limit.

In this build, Caribgrass is not on any county’s main native list.

Growing traits

Values from the PLANTS characteristics record. “Not recorded” means PLANTS has no value; nothing here is estimated except the zone.

Growth

Growth habit
Graminoid
Duration
Annual, Perennial
Mature height
3 ft
Growth rate
Rapid
Growth form
Stoloniferous
Shape
Erect
Lifespan
Short
Active growth period
Spring and Summer

Light and water

Shade tolerance
Intolerant (full sun (shade-intolerant))
Moisture use
Not recorded
Drought tolerance
Medium
Tolerance of waterlogged soil
Medium
Precipitation range
48 to 100 in per year

Soil

Soil textures
Not recorded
pH range
5 to 6.5
Lime (CaCO₃) tolerance
Not recorded
Salinity tolerance
Not recorded
Fertility requirement
Medium
Minimum root depth
12 in

Climate

Minimum temperature
18°F
Estimated cold hardiness
Zone 9a and warmer
Minimum frost-free days
311
Fire tolerance
Not recorded

Flowers, leaves and fruit

Flower color
Not recorded
Showy flowers
No
Bloom period
Summer
Foliage color
Green
Showy in fall
No
Keeps leaves
No
Fruit color
Not recorded

Other

Toxicity
None
Nitrogen fixation
None
Nursery availability
Not recorded
Family
Poaceae
PLANTS symbol
ERPO3

Is it native where you live?

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.
Scope
Eriochloa polystachya (PLANTS symbol ERPO3).
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.