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Buddleia davidii Black Knight

Black Knight Butterfly Bush

  • »  Dark purple, cone-shaped flowers
  • »  Attracts butterflies
  • »  Fast growing
  • »  Long blooming
  • »  Deer resistant

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  • Category:Shrub
  • Hardiness Zone:5-8
  • Height:6-9 ft
  • Spread:6-9 ft
  • Bloom Color: Purple Shades

This plant literally explodes into a summer landscape with masses of 4" to 10" long cone-shaped flowers in dark purple shades from July through September. Adding to this color are the clouds of butterflies these flowers attract while open. Extremely fast growing and fountain-shaped, it is best treated as a woody perennial and cut back in the winter to ensure the new growth that will hold the summer's flowers.

Foliage Color
Maintenance and Care
Drought Tolerant
Fast Growing
Mass Planting
Critter Resistance
Deer Resistant
Flower Color
Season of Interest (Flowering)
Summer Bloomer
Late Summer
Full Sun
Partial Sun
Soil Moisture
Dry Soil
Average Water
Moist, Well-Drained
Growing & Maintenance Tips for Buddleia davidii Black Knight

Prune in early spring down to 12-15" size to rejuvenate. Clip spent flowers to encouage rebloom. Thrives in full to part sun and most soils.