Symphyotrichum novi-belgii 'Blue Henry' - Aster 'Blue Henry'

🌿 Characteristics

Type: Herbaceous perennial
Common Name: Henry Blue Aster
Scientific Name: Symphyotrichum novi-belgii 'Blue Henry'
Flower Color: Lavender blue to deep blue
Mature Height: 0.6–0.9 m
Mature Width: 0.5–0.7 m
Habit: Compact, bushy, very floriferous
Flowering Period: September to November
Exposure: Full sun to partial shade
Water Needs: Moderate
Soil Type: Well-drained, fertile
Hardiness Zone: Zone 3 to 8
Drought Tolerance: Good
Nectar Plant: Yes
Attracts Pollinators: Yes
Toxicity to Animals: Non-toxic

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✂️ Care

A hardy and generous perennial, Symphyotrichum novi-belgii 'Blue Henry' is a compact variety ideal for borders and mass plantings. It thrives in full sun and tolerates dry soils well once established, making it perfect for low-maintenance gardens and naturalistic landscaping.

Regularly remove spent flowers to prolong the autumn bloom. Light pruning in spring maintains a balanced silhouette and encourages better branching. Few interventions are needed beyond initial watering and mulching.