Butterfly Bush 'Black Knight'

Common Name: Butterfly Bush 'Black Knight'

Scientific Name: Buddleja davidii 'Black Knight'

Zone: 5-9

Blossom Colour: Dark purple

Flowering Type: Summer to fall

Summer Colour: Green foliage

Fall Colour: Green (remains throughout the season)

Mature Height (ft): 4-6

Mature Spread (ft): 4-6

Exposure: Full sun

Tree Type: Deciduous shrub

Watering: Moderate; requires regular watering, especially in dry periods

Fertilization: Fertilize in early spring with a balanced fertilizer to promote blooms