// SPECIES PROFILE · ANNUAL · NATIVE

Forked bluecurls

Trichostema dichotomum

Forked bluecurls (Trichostema dichotomum) is a annual in the — family. Native range includes AR, MO, OK. Hardy in zones 3a–11b. Mature size 1"–28". Blooms Aug–Oct.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 32 U.S. states, including AL, AR, CT, DC, DE, FL…
USDA hardiness: Zones 3a–11b
Mature size: 1"–28"
Sun: Full sun
Water: —
Bloom: Aug–Oct
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Forked bluecurls (Trichostema dichotomum) — *Trichostema dichotomum* — Forked bluecurls. Photo by Amber M. King via Wikimedia Commons (CC BY 4.0).

Field Notes

[ growing · ecology · siting · care ]

Forked bluecurls (Trichostema dichotomum) is a annual in the — family. Native range includes AR, MO, OK. Hardy in zones 3a–11b. Mature size 1"–28". Blooms Aug–Oct.

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, forked bluecurls pairs naturally with: Black-Eyed Susan (Rudbeckia hirta), Common Sunflower (Helianthus annuus), Louisiana devil's-claw (Proboscidea louisianica), Swamp verbena (Verbena hastata).