Black Knight Butterfly Bush

Buddleja davidii 'Black Knight'

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

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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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Description 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.
Bloom Time Midsummer through fall
Deciduous/Evergreen Deciduous
Special Features Attracts Hummingbirds, Easy Care, Waterwise, Attracts Pollinators, Fast Growing
Problems/Solutions Deer Resistant, Rabbit Resistant
Growth Rate Fast
Growth Habit Vase-Shaped
Flower Attributes Flowers for Cutting, Fragrant, Showy Flowers
Landscape Use Border, Container
Flower Color Purple
Foliage Color Gray-green
Companion Plants Bee Balm (Monarda); Coneflower (Echinacea); Butterfly Weed (Asclepias); Salvia (Salvia); Russian Sage (Perovskia)
Care Instructions Prefers 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
DescriptionSpectacular 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.
Bloom TimeMidsummer through fall
Deciduous/EvergreenDeciduous
Special FeaturesAttracts Hummingbirds, Easy Care, Waterwise, Attracts Pollinators, 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.

Frequently asked questions

Does Black Knight Butterfly Bush produce flowers?
Midsummer through fall
Is Black Knight Butterfly Bush evergreen or deciduous?
Black Knight Butterfly Bush is Deciduous.
What are the special features of Black Knight Butterfly Bush?
Black Knight Butterfly Bush is Attracts Hummingbirds, Easy Care, Waterwise, Attracts Pollinators, Fast Growing.
Is Black Knight Butterfly Bush resistant to pests or animals?
Deer Resistant, Rabbit Resistant
How fast does Black Knight Butterfly Bush grow?
Black Knight Butterfly Bush has a Fast growth rate.
What is the growth habit of Black Knight Butterfly Bush?
Black Knight Butterfly Bush grows in an Vase-Shaped habit.
Where can I use Black Knight Butterfly Bush in my landscape?
Black Knight Butterfly Bush is suitable for: Border, Container.
What color are Black Knight Butterfly Bush flowers?
Black Knight Butterfly Bush produces Purple flowers.
What color is the foliage of Black Knight Butterfly Bush?
Black Knight Butterfly Bush has Gray-green foliage.
What plants grow well with Black Knight Butterfly Bush?
Good companion plants for Black Knight Butterfly Bush include: Bee Balm (Monarda); Coneflower (Echinacea); Butterfly Weed (Asclepias); Salvia (Salvia); Russian Sage (Perovskia).
How do I care for Black Knight Butterfly Bush?
Prefers 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.

About Us

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