// SPECIES PROFILE · ANNUAL · NATIVE

American bellflower

Campanulastrum americanum

American bellflower (Campanulastrum americanum) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–11b. Blooms Jun–Aug.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 28 U.S. states, including AL, AR, FL, GA, IA, IL…
USDA hardiness: Zones 2b–11b
Mature size: —
Sun: Part shade
Water: Medium
Bloom: Jun–Aug
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

American bellflower (Campanulastrum americanum) — *Campanulastrum americanum* — American bellflower. Photo by Cbaile19 via Wikimedia Commons (CC0).

Field Notes

[ growing · ecology · siting · care ]

American bellflower (Campanulastrum americanum) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–11b. Blooms Jun–Aug.

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, american bellflower pairs naturally with: Black-Eyed Susan (Rudbeckia hirta), Common Sunflower (Helianthus annuus), Partridge pea (Chamaecrista fasciculata var. fasciculata), Swamp verbena (Verbena hastata).