// SPECIES PROFILE · PERENNIAL · NATIVE

Smooth blue aster

Symphyotrichum laeve var. purpuratum

Smooth blue aster (Symphyotrichum laeve var. purpuratum) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 6b–10a. Mature size 6"–4'. Blooms Aug–Oct.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 47 U.S. states, including AL, AR, AZ, CO, CT, DC…
USDA hardiness: Zones 6b–10a
Mature size: 6"–4'
Sun: Full sun
Water: —
Bloom: Aug–Oct
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Smooth blue aster (Symphyotrichum laeve var. purpuratum) — *Symphyotrichum laeve var. purpuratum* — Smooth blue aster. Photo via iNaturalist — no rights reserved.

Field Notes

[ growing · ecology · siting · care ]

Smooth blue aster (Symphyotrichum laeve var. purpuratum) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 6b–10a. Mature size 6"–4'. Blooms Aug–Oct.

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, smooth blue aster pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Lady Fern (Athyrium filix-femina), Wild Strawberry (Fragaria virginiana), Yarrow (Achillea millefolium).