About This Product
Botanical Name: Buddleja davidii 'Black Knight'
Common Name: Black Knight Butterfly Bush, Summer Lilac
A fast-growing deciduous shrub with a fountain-shaped form. Sweetly fragrant, extravagant flower clusters bloom in blackish-violet. Leaves are gray-green, felt-textured and lance-shaped. Loved by hummingbirds and butterflies.
USDA Zone: Zones 5 - 10
Sunset Zone: Zones 2 - 24; H1
Mature Height: 6 - 8 feet
Mature Width: 3 - 5 feet
Light Needs: Full Sun
Water Needs: Moderate, Regular