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Buddleia davidii Black Knight

Scientific Name : Buddleia davidii
Common Name : Butterfly Bush
Hardiness Zone : 6a - 9b
Hardiness Degree : -10°F (-23°C)
Blooming Season : Summer, Autumn, Late Summer
Plant Habit : Spreading, Upright
Characteristics : Fragrant Flowers, Attracts Butterflies, Heat Tolerant
Water : Medium
Fertilizer : None or when needed only
Spacing : 48 - 72" (122 - 183cm)
Height : 84" (213cm)
Width : 40 - 60" (102 - 152cm)
Exposure : Sun
General Information : Wonderfully fragrant flowers on arching stems attract a profusion of butterflies to the garden.
Stunning in the perennial or mixed shrub planting, or in large groupings.
Idea & Tips : Sow seed at 66 to 75 degrees F (19 to 24 degrees C) in the Spring.
Stick rooted cuttings in the Summer.
Grow in full light with good ventilation.
Remove faded flowers for continuous bloom.
?Prune hard in early Spring.
Grower Information : Deep blue-black flowers and silvery foliage.
'Black Knight'
  • Propagation Guide

  • Finishing Guide

  • Crop Scheduling

    • Bloom Months:
      July to September

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