// SPECIES PROFILE · PERENNIAL · NATIVE

Stiff sunflower

Helianthus pauciflorus

Stiff sunflower (Helianthus pauciflorus) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–10a. Blooms Jun–Nov.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 30 U.S. states, including AR, CO, CT, GA, IA, IL…
USDA hardiness: Zones 2a–10a
Mature size: —
Sun: —
Water: —
Bloom: Jun–Nov
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Stiff sunflower (Helianthus pauciflorus) — *Helianthus pauciflorus* — Stiff sunflower. Photo by Matt Lavin from Bozeman, Montana, USA via Wikimedia Commons (CC BY-SA 2.0).

Field Notes

[ growing · ecology · siting · care ]

Stiff sunflower (Helianthus pauciflorus) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–10a. Blooms Jun–Nov.

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, stiff sunflower pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Gray Goldenrod (Solidago nemoralis), Lady Fern (Athyrium filix-femina), Swamp Milkweed (Asclepias incarnata).