Flowers - Aster, Smooth Blue

$199 USD

The Smooth Blue Aster (Symphyotrichum laeve) bursts out gorgeous star-like violet-blue blooms with long smooth petals around a yellow center. Grows on a 2'-3' sturdy stem that also takes on a blue hue. This frost-tolerant flower can bloom through Thanksgiving.

  • Life cycle: Herbaceous perennial
  • Bloom season: Summer, fall
  • Attracts: Bees, butterflies, and other pollinators
  • Flower meaning: Afterthought, daintiness, elegance, love of variety, patience


  • Botanical name: Symphyotrichum laeve
  • Hardiness zones: 4-8
  • Planting season: Spring
  • Days to maturity: 90-120
  • Cold stratify: Yes
  • Depth to plant seeds: Lightly cover - seeds need light to germinate
  • Spacing between plants: 12"-24" apart
  • Days to germinate (sprout): 14-21 days
  • Germination soil temps: 70F-75F
  • Soil types: Clay, sandy, loamy, rocky, dry, well-drained
  • Soil pH: 5.8-6.5
  • Water needs: Average
  • Sun needs: Full sun, part shade
  • Frost tolerant: Yes
  • Drought tolerant: Yes
  • Deer resistant: Yes

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