Smooth Aster
Symphyotrichum laeve
Last reviewed: June 2026
Light
full sun
Water
low
Size
12"–36" H × 12"–24" W
Bloom
Aug, Sep, Oct
Native to
AL, AR, CA, CO and 42 more states
Pollinators
bees, butterflies, beetles
Browse plants for this ecoregion
Smooth aster produces masses of small purple flowers with yellow centers from late summer through fall. This native perennial forms neat clumps with smooth, lance-shaped leaves and sturdy upright stems. It's drought tolerant once established and provides excellent late-season color when many other flowers are fading.
In an HOA neighborhood
Smooth Aster is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- Dies back completely in winter
- May self-seed in ideal conditions
Wildlife value
Host plant for pearl crescent butterfly.
The abundant fall blooms attract bees, butterflies, and beetles when few other nectar sources remain. Seeds provide food for birds through winter.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Smooth Aster fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.