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Butterfly Bush Black Knight in the GardenTags plant encyclopedia

Buddleja davidii 'Black Knight'

 

Butterfly Bush 'Black Knight'

An attractive, fast growing, scented shrub with long clusters of deep blue/purple flowers produced on arching stems bearing grey/green leaves. Butterflies and bees love them.

Contributed by @barbaramatthews

 
plant Features
  • Butterfly Bush Black Knight likes full sun to partial shade

    Full sun to partial shade

  • Butterfly Bush Black Knight likes very little water

    Very little water

  • Butterfly Bush Black Knight is frost hardy: 23f (-5°c)

    Frost Hardy: 23F (-5°C)

  • Butterfly Bush Black Knight likes free draining

    Free draining

 
Available to buy from 1 store(s) in the UK
 
plant information

Common name

Butterfly Bush 'Black Knight'

Latin name

Buddleja davidii 'Black Knight'

type

Flowering shrubs or trees

family

Scrophulariaceae

ph

5.0 - 8.5 Acid - Neutral

  • Light

    Butterfly Bush Black Knight likes full sun to partial shade

    Full sun to partial shade

  • Frost

    Butterfly Bush Black Knight is frost hardy: 23f (-5°c)

    Frost Hardy: 23F (-5°C)

  • Soil

    Butterfly Bush Black Knight likes free draining

    Free draining

  • Water

    Butterfly Bush Black Knight likes very little water

    Very little water

Plant & bloom calendar

  •  
    Best time to plant
  •  
    When the plant will bloom

full grown dimensions

The size of a fully grown Butterfly Bush Black Knight is 4.00meters x 3.00meters 4.00 M 3.00 M

Buddleja davidii 'Black Knight'

An attractive, fast growing, scented shrub with long clusters of deep blue/purple flowers produced on arching stems bearing grey/green leaves. Butterflies and bees love them.


Planting Outdoors

From Late Winter TO Early Spring

Plant out in to a site that is fertile, free draining and in full sun,

 

Flowering Season

From Early Summer TO Mid Autumn

Long cylindrical scented flower clusters that can be white, yellow, pink, red or purple, butterflies love them.

 

Propagation by cuttings

From Mid Summer TO Early Autumn

Semi hard wood cuttings are taken from the current years growth from late summer to mid autumn the bottom of the cuttings is hard and soft on the top. With a sharp knife take a cutting of about 14cms, remove lowest leaves, dip end into rooting hormone, and place round the edge of a pot filled with a suitable compost, water well, they must remain moist till rooted, place under glass but in semi shade.

 
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