Heartleaf Or Common Blue Wood Aster
Symphyotrichum cordifolium
Last reviewed: June 2026
Symphyotrichum cordifolium is a native fall-blooming wildflower found throughout eastern North America, producing small blue flowers from August through October that attract bees, butterflies, and moths.
The USDA PLANTS Database (opens in new tab) does not flag Heartleaf Or Common Blue Wood Aster as toxic to livestock.
Light
part sun
Water
medium
Size
12"–36" H × 12"–24" W
Bloom
Aug, Sep, Oct
Native to
AL, AR, CT, GA and 27 more states
Pollinators
bees, butterflies, moths
Heartleaf aster produces masses of small, light blue to purple flowers from late summer through fall, creating a cloud-like display. This native perennial forms neat clumps with heart-shaped leaves and thrives in partial shade conditions where many other flowering plants struggle.
Growing Heartleaf Or Common Blue Wood Aster
Grow Heartleaf Or Common Blue Wood Aster in part sun and medium water. Mature plants reach 12 to 36 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Heartleaf Or Common Blue Wood Aster is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- Can look sparse in early spring before new growth emerges
Wildlife value
Host plant for pearl crescent butterfly.
The abundant late-season blooms provide crucial nectar for migrating butterflies and native bees when few other flowers are available. Moths also rely on this plant for both nectar and as a host plant for their caterpillars.
Common questions
- When does Heartleaf Aster bloom?
- Symphyotrichum cordifolium typically blooms from August through October, providing late-season nectar when many other flowers have finished.
- What pollinators visit Common Blue Wood Aster?
- This native aster attracts bees, butterflies, and moths, making it valuable for supporting pollinator populations during fall months.
- Where is Symphyotrichum cordifolium native?
- Common Blue Wood Aster is native to most eastern and central United States, from Maine south to Georgia and Texas, and west to Minnesota and Nebraska.
- What growing conditions does Heartleaf Aster prefer?
- This adaptable wildflower tolerates full sun to partial shade and grows well in medium moisture soils, though it can handle somewhat dry conditions once established.
- Is Heartleaf Or Common Blue Wood Aster toxic to livestock?
- The USDA PLANTS Database does not flag Heartleaf Or Common Blue Wood Aster as toxic to livestock.
- Is Heartleaf Or Common Blue Wood Aster HOA-friendly?
- Heartleaf Or Common Blue Wood 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 Heartleaf Or Common Blue Wood Aster? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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