Amsonia rigida

Stiff Blue Star

Family: Apocynaceae Dogbane


Type Perennial
USDA Hardiness range 6A - 9B
Exposure Partial shade to full sun
Bloom color Blue
Bloom time Late Spring to Mid Summer
Water needs Moist to wet
Landscape uses Container, foundation, massing
Height 24" to 36" / 60cm to 90cm
Spread n/a
Growth rate Moderate
Persistence Semi-evergreen
Leaf color Green
Fruit color n/a
Soil pH requirements Neutral
Soil type Sandy, loamy
Form Upright or erect
Attributes and features Attractive foilage, native to North America