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Buddleia davidii 'Black Knight'

Buddleia davidii 'Black Knight'

Black Knight Butterfly Bush

Regular price $25.00 CAD
Regular price Sale price $25.00 CAD
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'Black Knight' is a cultivar of Buddleia davidii, commonly called butterfly bush, that features almost black flowers. It is a deciduous shrub with an arching, spreading habit that typically grows 180-250 cm tall if not cut back hard in late winter and 120 to 150 cm tall if cut back. It features spike-like 10-25 cm long terminal clusters of very dark purple flowers that bloom from June to September and sometimes to first frost. Flowers have a honey-like scent and are attractive to bees and butterflies.



Hardiness Zone: Zone 5
Light Requirements: Full sun
Height: 180-250 cm if not cut back hard in late winter; otherwise 120-150 cm tall
Spread: 90-150 cm
Soil Requirements: Average, medium moisture, well-drained soils
Bloom Time

June to September

Planting Time:
Use: Plants grow more vigorously, produce superior flowers and maintain better shape if cut down to 15 cm from the ground in late winter each year.
Flower Colour & Shape: Very dark purple, cone-shaped flower clusters 10-25 cm long
Foliage: sage green, finely-toothed leaves
Benefits: Attractive to pollinators

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