// SPECIES PROFILE · PERENNIAL · NATIVE

Sullivant's coolwort

Sullivantia sullivantii

Sullivant's coolwort (Sullivantia sullivantii) is a perennial in the — family. Native range includes MO — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2b–8a. Mature size 1"–16". Blooms May–Aug.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 10 U.S. states, including IA, IL, IN, KY, MN, MO…
USDA hardiness: Zones 2b–8a
Mature size: 1"–16"
Sun: —
Water: —
Bloom: May–Aug
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Sullivant's coolwort (Sullivantia sullivantii) — *Sullivantia sullivantii* — Sullivant's coolwort. Photo via iNaturalist — (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda.

Field Notes

[ growing · ecology · siting · care ]

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, sullivant's coolwort pairs naturally with: American Lotus (Nelumbo lutea), Aromatic Aster (Symphyotrichum oblongifolium), Broadleaf Arrowhead (Sagittaria latifolia), Blue-Eyed Grass (Sisyrinchium angustifolium).