Buddleja davidii 'Black Knight' - summer flowers
Buddleja davidii 'Black Knight' - flower close up
Buddleja davidii 'Black Knight' - summer flowers
Buddleja davidii 'Black Knight' - flower close up

Buddleja davidii 'Black Knight'

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£18.95

(Butterfly Bush) A popular garden plant, Buddleja davidii 'Black Knight' grows to be a large shrub with lovely long trusses of fragrant, dark purple flowers in late summer.

More Information

Supplied Size
  • 3 litre pot (2-3 years old, 30-40 cm tall)

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Please call our office on (01530) 413700

(flat fee for any number of plants by courier to most of the UK*)

Standard: £7.95

Priority: £15

Click & Collect: Free

*Surcharges apply for delivery to Highlands & Islands.
Standard shipping is shown as default - this can be changed during checkout.

(flat fee for any number of plants by courier to most of the UK*)

Standard: £7.95
Priority: £15
Click & Collect: Free

*Surcharges apply for delivery to Highlands & Islands.
Standard shipping is shown as default
this can be changed during checkout.

4.8 on Google Business Reviews
 

A popular garden plant, Buddleja davidii 'Black Knight' grows to be a large shrub with lovely long trusses of fragrant, dark purple flowers in late summer. The leaves are pale grey-green and the long lasting flowers are popular with bees and butterflies.


  • Position: Full sun or light, dappled shade.
  • Soil: Well drained, fertile soil.
  • Hardiness: Hardy.
  • Flowering Period: July - September.
  • Flower Colour: Dark purple
  • Rate of Growth: Vigorous.
  • Habit: Buddleja davidii 'Black Knight' grows to be a large branching, rounded shrub if left unpruned.
    • Height: up to 2.5 - 3 m (10 ft)
    • Spread: 3 m (10 ft)
  • Pruning: To encourage flowering and keep a tidy habit, prune Buddleja davidii 'Black Knight' back hard to a bud in February or March.
How Much Sun
Full Sun, Light Shade
Eventual Size
Shrub - Medium (1.5m - 3m), Shrub - Large (3m+)
Growing Conditions
Soil: Acid, Soil: Alkaline, Soil: Damp/Wet, Soil: Dry/Sandy, Soil: Not Fussy, Site: Coastal Areas, Site: Windy
Special Features
Wildlife Friendly - Bees, Flowers in Summer
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