Sunflower

Helianthus × intermedius

Sunflower (Helianthus × intermedius) is a perennial in the — family. Native range includes KS, MO. Hardy in zones 2b–10a. Blooms Aug–Nov.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 13 U.S. states, including IA, IN, KS, MA, ME, MI…
USDA hardiness: Zones 2b–10a
Mature size: —
Sun: —
Water: —
Bloom: Aug–Nov
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Field Notes

[ growing · ecology · siting · care ]

Sunflower (Helianthus × intermedius) is a perennial in the — family. Native range includes KS, MO. Hardy in zones 2b–10a. Blooms Aug–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, sunflower pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Butterfly Milkweed (Asclepias tuberosa), Common Blue Violet (Viola sororia), Common Boneset (Eupatorium perfoliatum).

← All species