// SPECIES PROFILE · ANNUAL · NATIVE

James' clammyweed

Polanisia jamesii

James' clammyweed (Polanisia jamesii) is a annual in the — family. Native range includes KS, OK. Hardy in zones 2b–10a. Mature size 6"–2'. Blooms Jun–Sep.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 12 U.S. states, including CO, IA, IL, KS, MN, NE…
USDA hardiness: Zones 2b–10a
Mature size: 6"–2'
Sun: —
Water: —
Bloom: Jun–Sep
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

James' clammyweed (Polanisia jamesii) — *Polanisia jamesii* — James' clammyweed. Photo by DinoBlockHD via Wikimedia Commons (CC BY-SA 4.0).

Field Notes

[ growing · ecology · siting · care ]

James' clammyweed (Polanisia jamesii) is a annual in the — family. Native range includes KS, OK. Hardy in zones 2b–10a. Mature size 6"–2'. Blooms Jun–Sep.

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, james' clammyweed pairs naturally with: Black-Eyed Susan (Rudbeckia hirta), Common Sunflower (Helianthus annuus), Indian Blanket (Gaillardia pulchella), Plains Coreopsis (Coreopsis tinctoria).