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Bog Aster

Symphyotrichum puniceum

Last reviewed: June 2026

Bog Aster (Symphyotrichum puniceum)
Photo: Robert H. Mohlenbrock. USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester. Courtesy of USDA NRCS Wetland Science Institute. / Wikimedia Commons (Public domain)

Light

part sun

Water

high

Size

24"–60" H × 12"–36" W

Bloom

Aug, Sep, Oct

Native to

AL, CT, DE, GA and 27 more states

Pollinators

bees, butterflies, beetles

Bog aster is a tall native perennial that produces masses of small purple flowers from late summer through fall. This moisture-loving wildflower naturalizes well in consistently wet areas and can form attractive colonies over time.

In an HOA neighborhood

Bog Aster takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Very tall and informal appearance
  • Can look weedy when dormant
  • May spread aggressively in wet conditions

Wildlife value

The late-season blooms provide crucial nectar for migrating butterflies and native bees when few other flowers remain. Seeds support songbirds 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 Bog Aster fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.

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