Clasping Heart-leaf Aster
Symphyotrichum undulatum
Last reviewed: July 2026
Symphyotrichum undulatum (Clasping Heart-leaf Aster) is a native wildflower found throughout eastern North America that blooms from August to October with purple daisy-like flowers that attract bees and butterflies.
Light
part sun
Water
medium
Size
12"–48" H × 12"–36" W
Bloom
Aug, Sep, Oct
Native to
AL, CT, DE, FL and 21 more states
Pollinators
bees, butterflies, moths
Wavyleaf aster is a native wildflower that produces masses of small, pale blue to white daisy-like flowers from late summer through fall. This hardy perennial forms neat clumps with distinctive wavy-edged leaves and tolerates a wide range of growing conditions.
Growing Clasping Heart-leaf Aster
Grow Clasping Heart-leaf Aster in part sun and medium water. Mature plants reach 12 to 48 inches tall and spread 12 to 36 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Clasping Heart-leaf Aster is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.
Works well in: foundation, mid zone.
- May appear wild or weedy to unfamiliar neighbors
- Can look sparse in winter when dormant
Wildlife value
The abundant late-season blooms provide crucial nectar for migrating butterflies, native bees, and moths when few other flowers are available. Seeds also feed songbirds through winter.
Common questions
- When does Clasping Heart-leaf Aster bloom?
- Symphyotrichum undulatum blooms from August through October, providing late-season nectar for pollinators.
- What pollinators visit Clasping Heart-leaf Aster?
- This native aster attracts bees, butterflies, and moths with its fall blooms, making it valuable for late-season pollinator support.
- Where is Symphyotrichum undulatum native?
- Clasping Heart-leaf Aster is native to much of eastern North America, from Maine south to Florida and west to Illinois, including most southeastern and mid-Atlantic states.
- What growing conditions does this aster prefer?
- This adaptable native forb tolerates a range of light conditions from full sun to partial shade and grows well in medium moisture soils with good drainage.
- Is Clasping Heart-leaf Aster HOA-friendly?
- Clasping Heart-leaf Aster is generally an HOA-friendly choice in the right placement, with low maintenance.
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.
Ready to grow Clasping Heart-leaf Aster? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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