Wildflower (forb) · Asteraceae

Blue mistflower

Conoclinium coelestinum

Blue mistflower is recorded as native to 24 states and territories in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in 975 counties of those states by USDA PLANTS.

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

Blue mistflower at a glance

Native in: 975 counties, across 24 states and territories
Estimated cold hardiness: Zone 6a PLANTS minimum temperature −13°F
Mature height: 3.2 ft PLANTS mature height
Light and water: Tolerates shade Medium water use

Estimated cold hardiness: zone 6a. PLANTS gives a minimum temperature of −13°F; zone 6a winters bottom out at −10°F, the coldest half-zone that stays within that limit.

Counties where it is native

The 15 counties with the most ZIP codes among the 975 where it is listed.

Native counties by state

Alabama 16 counties
Arkansas 69 counties
Delaware 2 counties
Florida 57 counties
Georgia 21 counties
Illinois 58 counties
Indiana 38 counties
Kansas 7 counties
Kentucky 90 counties
Louisiana 63 counties
Michigan 2 counties
Mississippi 71 counties
Missouri 65 counties
New Jersey 9 counties
New York 1 county
North Carolina 53 counties
Ohio 13 counties
Oklahoma 32 counties
Pennsylvania 20 counties
South Carolina 30 counties
Tennessee 60 counties
Texas 77 counties
Virginia 90 counties
West Virginia 31 counties

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: Forb/herb
Duration: Perennial
Mature height: 3.2 ft
Growth rate: Moderate
Growth form: Single Crown
Shape: Erect
Lifespan: Moderate
Active growth period: Summer

Light and water

Shade tolerance: Tolerant (tolerates shade)
Moisture use: Medium water use
Drought tolerance: Medium
Tolerance of waterlogged soil: Low
Precipitation range: 24 to 60 in per year

Soil

Soil textures: Medium and fine
pH range: 5.5 to 7.5
Lime (CaCO₃) tolerance: Medium
Salinity tolerance: None
Fertility requirement: Medium
Minimum root depth: 14 in

Climate

Minimum temperature: −13°F
Estimated cold hardiness: Zone 6a and warmer
Minimum frost-free days: 170
Fire tolerance: Low

Flowers, leaves and fruit

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

Other

Toxicity: None
Nitrogen fixation: None
Nursery availability: Routinely Available
Family: Asteraceae
PLANTS symbol: COCO13

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: Conoclinium coelestinum (PLANTS symbol COCO13).
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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