Smooth Blue Aster

Plant Height 3-4 Ft.
Seed Count 850,000 Seeds per LB
Botanical Name Symphyotrichum laeve
Life Cycle Perennial
Environment Full Sun to Partial Shade
Preferred Sites Upland/Grassland
Bloom Period September-October
Flower Color Purple
Pollinator Value Very Good


Smooth Blue Aster


Smooth Blue Aster is found in the eastern half of North America where it blooms late into the year, commonly outlasting the early frosts of the fall.


  • Its lavender-blue flowers can be seen from September-October and in some cases into November
  • Growing from 1-3 feet in height, it gets its name from its smooth leaves, which are uncommon compared to most asters
  • Occupying prairies and open woodlands, it tolerates many soil conditions but prefers well drained soils and full sunlight
  • This perennial is easy to grow and can be long lived if not overcrowded with competition
  • Attracts pollinators and butterflies when in bloom and is consumed by deer in its early stages
  • Makes a great component of native gardens and conservation plantings.


Related Products

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Sky Blue Aster

Midwest Wildflower Mix

New England Aster



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