// SPECIES PROFILE · SHRUB · NATIVE

Largeflower flameflower

Phemeranthus calycinus

Largeflower flameflower (Phemeranthus calycinus) is a shrub in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–10a. Blooms May–Oct.

// QUICK FACTS

Family: —
Group: shrub
Native range: Native to 12 U.S. states, including AL, AR, CO, IL, KS, LA…
USDA hardiness: Zones 2a–10a
Mature size: —
Sun: —
Water: —
Bloom: May–Oct
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Largeflower flameflower (Phemeranthus calycinus) — *Phemeranthus calycinus* — Largeflower flameflower. Photo by Mason Brock (Masebrock) via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

Largeflower flameflower (Phemeranthus calycinus) is a shrub in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–10a. Blooms May–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, largeflower flameflower pairs naturally with: Smooth Sumac (Rhus glabra), Common elderberry (Sambucus nigra ssp. canadensis), Great ragweed (Ambrosia trifida), Texan great ragweed (Ambrosia trifida var. texana).