Buddleja davidii 'Black Knight'
Common Names: butterfly bush 'Black Knight'
Family: Scrophulariaceae
Features:
lance-shaped leaves,
Flowers scented, deep purple, in elongated panicles
Sunlight: Full/Partial shade
Ultimate Height: 2.5 - 4 meters
Ultimate Spread: 2.5 - 4 meters
Flowering: Summer-Autumn
Care:
Prune to shape