Buddleia davidii 'Black Knight'

Butterflybush, Summer Lilac

Family: Loganiaceae Logania


Type Shrub
USDA Hardiness range 5A - 10A
Exposure Full sun
Bloom color Lavender, purple
Bloom time Spring and Summer
Water needs Moist
Landscape uses Border, container, massing, specimen
Height 6' to 10' / 1.80m to 3.00m
Spread 6' to 10' / 1.80m to 3.00m
Growth rate Fast
Persistence Evergreen, broadleaf, semi-evergreen
Bloom attributes Suitable for cut flowers
Leaf color Blue, green
Fruit color Brown
Soil pH requirements Acidic, neutral, alkaline, slightly alkaline
Soil type Sandy, clay, loamy
Form Rounded