// SPECIES PROFILE · PERENNIAL · NATIVE

Sweet coneflower

Rudbeckia subtomentosa

Sweet coneflower (Rudbeckia subtomentosa) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 3a–10a. Mature size 29"–6'. Blooms Jul–Sep.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 17 U.S. states, including AR, CT, IA, IL, IN, KS…
USDA hardiness: Zones 3a–10a
Mature size: 29"–6'
Sun: Part shade
Water: —
Bloom: Jul–Sep
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Sweet coneflower (Rudbeckia subtomentosa) — *Rudbeckia subtomentosa* — Sweet coneflower. Photo by AfroBrazilian: Aleksandrs Balodis via Wikimedia Commons (CC BY-SA 4.0).

Field Notes

[ growing · ecology · siting · care ]

Sweet coneflower (Rudbeckia subtomentosa) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 3a–10a. Mature size 29"–6'. Blooms Jul–Sep.

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, sweet coneflower pairs naturally with: American Lotus (Nelumbo lutea), Broadleaf Arrowhead (Sagittaria latifolia), Blue-Eyed Grass (Sisyrinchium angustifolium), Butterfly Milkweed (Asclepias tuberosa).