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Black Knight Butterfly Bush

Buddleja davidii 'Black Knight'

Pronunciation: BUD-lee-uh da-VID-ee-eye
SKU #01378
5-9

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Spectacular summer color from lightly fragrant, dark violet-purple flower spikes. A fast growing shrub that works well as a foundation shrub, an accent plant or as a background in borders. Slightly hardier than other varieties, but may die to ground in cold winter areas, emerging vigorously in spring. Deciduous.
LIGHT: Full sun, Partial sun
WATER: Water when top 3 inches of soil is dry.
SIZE: Quickly reaches 6 to 8 ft. tall, 4 to 6 ft. wide.

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This Plant's Growing Zones: 5-9

USDA Cold Hardiness Zone Map

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Bloom TimeMidsummer through fall
Deciduous/EvergreenDeciduous
Special FeaturesEasy Care, Waterwise, Fast Growing
Problems/SolutionsDeer Resistant, Rabbit Resistant
Growth RateFast
Growth HabitVase-Shaped
Flower AttributesFlowers for Cutting, Fragrant, Showy Flowers
Landscape UseBorder, Container
Flower ColorPurple
Foliage ColorGray-green
Companion PlantsBee Balm (Monarda); Coneflower (Echinacea); Butterfly Weed (Asclepias); Salvia (Salvia); Russian Sage (Perovskia)
Care InstructionsPrefers well-drained, fertile soil. Water deeply, regularly during first growing season to establish extensive root system; reduce frequency once established. Clip spent flowers to promote continued bloom. May die to the ground in colder zones, regrowing from the roots in spring. Elsewhere, prune in late fall or early spring. Feed in spring.
Details
Bloom TimeMidsummer through fall
Deciduous/EvergreenDeciduous
Special FeaturesEasy Care, Waterwise, Fast Growing
Problems/SolutionsDeer Resistant, Rabbit Resistant
Growth RateFast
Growth HabitVase-Shaped
Flower AttributesFlowers for Cutting, Fragrant, Showy Flowers
Style
Landscape UseBorder, Container
Flower ColorPurple
Foliage ColorGray-green
Companion PlantsBee Balm (Monarda); Coneflower (Echinacea); Butterfly Weed (Asclepias); Salvia (Salvia); Russian Sage (Perovskia)
Care
Care InstructionsPrefers well-drained, fertile soil. Water deeply, regularly during first growing season to establish extensive root system; reduce frequency once established. Clip spent flowers to promote continued bloom. May die to the ground in colder zones, regrowing from the roots in spring. Elsewhere, prune in late fall or early spring. Feed in spring.

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About Us

We have been pioneers and craftsmen in the art of growing plants for nearly

100 years. Since our founding in Southern California by Harry E. Rosedale, Sr.
in 1926, we have been absolutely dedicated and obsessed with quality.

We have been pioneers and craftsmen in the art of growing plants for nearly 100 years. Since our founding in Southern California by Harry E. Rosedale, Sr. in 1926, we have been absolutely dedicated and obsessed with quality.