- Common Name: Butterfly bush
- Position: Full sun, Partial shade, East-facing, South-facing, West-facing, Exposed, Sheltered
- Soil: Moist but well-drained, Well-drained, Chalk, Clay, Loam, Sand, Acid, Alkaline, Neutral
- Flowers: Summer, Autumn
- Flower Colour: Purple
- Hardiness: H6 - Hardy in all of UK and northern Europe
- Habit: Deciduous, Bushy
- Height & Spread: 300cm × 500cm
Deciduous shrub ideally suited for a sunny border with masses of panicles of purple, fragrant flowers in summer which are a huge attractant to wildlife. They can be kept in check by a good hard prune in spring, which will also encourage the plant to produce a good show of flowers.
Buddleja davidii 'Black Knight'