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Aster azureus (Symphyotrichum oolentangiense)

skyblue aster

Native to North America

Extremely drought tolerant aster excellent for dry rocky or shallow soil.  Attractive to butterflies and pollinators. Self seeds and spreads by rhizomes making it perfect for erosion control.  


24-36 ft


18-24 in


24-36 in

USDA Hardiness Zone:

3 - 8

Bloom Color:

Light Blue

Aster azureus (Symphyotrichum oolentangiense) Characteristics

Attracts Wildlife

  • Pollinators
  • Butterflies


  • Full Sun


  • East-Coast Native
  • Drought Tolerant
  • Cut Flower
  • Clay Soil
  • Rock Garden
  • Naturalizing
  • Long Blooming

Flowering Months

  • October
  • September

Foliage Color

  • Green

Growth Rate

  • Fast

Salt Tolerance

  • Medium

Season of Interest (Foliage)

  • Fall
  • Summer
  • Spring

Soil Moisture Preference

  • Dry to Moist