// SPECIES PROFILE · PERENNIAL · NATIVE

Skyblue aster

Symphyotrichum oolentangiense

Skyblue aster (Symphyotrichum oolentangiense) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–11b. Mature size 2'–5'. Blooms Sep–Nov.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 21 U.S. states, including AL, AR, FL, GA, IA, IL…
USDA hardiness: Zones 2b–11b
Mature size: 2'–5'
Sun: Part shade
Water: Low · xeric
Bloom: Sep–Nov
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Skyblue aster (Symphyotrichum oolentangiense) — *Symphyotrichum oolentangiense* — Skyblue aster. Photo by Reuven Martin via Wikimedia Commons (CC0).

Field Notes

[ growing · ecology · siting · care ]

Skyblue aster (Symphyotrichum oolentangiense) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–11b. Mature size 2'–5'. Blooms Sep–Nov. Low water use makes it a strong candidate for xeric and drought-conscious plantings.

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, skyblue aster pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Butterfly Milkweed (Asclepias tuberosa), Common Blue Violet (Viola sororia), Common Boneset (Eupatorium perfoliatum).