Buddleia davidii 'Black Knight'

Butterfly Bush

Photo courtesy of Walters Garden, Inc.

  • Very dark violet to dark purple flowers appear over a long period from late summer into fall
  • Long, gray-green leaves and tall, upright stems form a large shrub
  • A vigorous grower and a very hardy selection
Border or Bed
Border or Bed
Cut Flower/ Foliage
Cut Flower/ Foliage
Great Foliage
Great Foliage
Deer Resistant
Deer Resistant
Full Sun
Full Sun

Homeowner Growing and Maintenance Tips:

Buddleias should be planted in a full sun location with fertile, moist, well-drained soil. In northern winters, most of the wood will die. Cut deadwood in the spring. Very late to break dormancy in the spring.

Height: 5-7 ft
Spacing: 36 in
Price Level 1: $10.99 ea.~#1
Bloom Color: Purple, Violet
Zone: 5-9
Price Level 2: 4 for $40~#1

Additional Characteristics & Attributes:


  • Great Foliage
  • Border or Bed
  • Fragrant
  • Container
  • Focal Point
  • Cut Flower/ Foliage
  • Specimen

Critter Resistance:

  • Deer Resistant


  • Full Sun


  • Upright

Foliage Color:

  • Green

Season of Interest (Flowering):

  • Summer

Attracts Wildlife:

  • Attracts Butterflies
  • Attracts Hummingbirds

Soil Moisture:

  • Moist, Well-Drained