Hypericum kalmianum 'Ames'

Kalm St. Johnswort

Family: Clusiaceae Garcina

Type Shrub, groundcover
USDA Hardiness range 4A - 7A
Exposure Full shade to full sun
Bloom color Yellow
Bloom time Summer
Water needs Moist
Landscape uses Border, erosion control, ground cover, massing, rock garden
Height 24" to 36" / 60cm to 90cm
Spread 36" to 5' / 90cm to 1.60m
Growth rate Fast
Persistence Evergreen, semi-evergreen
Leaf color Blue, green
Fruit color Brown, red
Soil pH requirements Acidic, neutral
Soil type Sandy, clay, loamy
Form Rounded, spreading or horizontal
Attributes and features Attractive foilage, native to North America, naturalizing