Azure Aster
Symphyotrichum oolentangiense
Last reviewed: June 2026
Light
full sun
Water
medium
Size
12"–36" H × 12"–24" W
Bloom
Aug, Sep, Oct
Native to
AL, AR, FL, GA and 19 more states
Pollinators
bees, butterflies, moths
Browse plants for this ecoregion
Sky blue aster produces masses of small, light blue daisy-like flowers from late summer through fall. This compact perennial forms neat clumps and provides excellent late-season color when many other plants are fading. It thrives in full sun with average moisture and requires minimal care once established.
In an HOA neighborhood
Azure Aster is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- May look bare in early spring before growth emerges
Wildlife value
The abundant flowers provide crucial nectar for late-season pollinators including native bees, butterflies, and moths when few other blooms are available. Seeds also feed 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 Azure Aster fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.