Buddleja davidii 'Black Knight'
£12.95
(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.
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£7.95 P&P for ANY number of plants to most of UK. Free P&P for orders over £250.
Surcharges apply for Highlands/Islands. We cannot deliver to Northern Ireland or Eire.
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.
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(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.