Aromatic aster
Symphyotrichum oblongifolium
Hardiness: Zone 3, Zone 4, Zone 5, Zone 6, Zone 7, Zone 8
Plant type: Herbaceous Perennial
Height: 1'-3'
Spread: 1'-3'
Sun: Full Sun
Water: Low, Medium
Bloom time: August, September, October
Bloom color: Violet blue to purple
Soil: Clay-based, Loamy, average well-draining soils, Sandy, well-draining soils, Neutral (≈7), Alkaline (>7pH), Acid (<7pH).