Smooth Blue Aster
Symphyotrichum laeve
Asteraceae · Perennial
With its clear blue-purple flowers, Smooth Blue Aster is a captivating late-season bloomer, providing essential nectar for migrating butterflies and late-flying bees. Its smooth, attractive foliage remains tidy throughout the season.
- · Prefers full sun for the best flowering display.
- · Tolerates drier conditions once established, making it drought-tolerant.
- · Can be cut back by half in early summer for a bushier plant.
At a glance
- Growing zones: 4-8
- Sun: Full sun
- Water: Low to moderate
- Maintenance: Low
- Type: Perennial
- Mature size: 2-4 ft tall · 1-2 ft wide
- Bloom season: Late summer to fall · Blue-purple
- Pollinator friendly: Yes
- Container suitable: Yes
- Cold tolerance: Hardy to -30F
- Heat tolerance: Excellent
- Soil: Well-drained soil
- Growth rate: Moderate
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