Thompson & Morgan Buddleja ‘Black Knight’ is the most popular Butterfly Bush in the UK, grown for its fragrant, deep, indigo-blue flowers produced neatly at the tips of the stems. Perfect for enticing wildlife into your garden, Thompson & Morgan Buddleia ‘Black Knight’ will attract the most varied different species of butterfly to your garden. Drought resistant and easy to maintain, the Butterfly Bush will thrive on neglect and will even grow happily in poor soil conditions. Choose a position in full sun or semi-shade when growing Thompson & Morgan Buddleja ‘Black Knight’ and plant in any moist, well-drained garden soil. Alternatively, grow Butterfly Bush plants in in containers, using a soil based compost. When growing Thompson & Morgan Buddleja ‘Black Knight’ in containers, feed and water regularly throughout the growing season. Prune your Butterfly Bush back to a permanent low framework of 3 or 4 buds from the base of the plant in spring, and deadhead faded flowers to prolong the flowering season. Ideal For: Cottage Gardens, Wildlife Gardens Hardiness: Hardy Position In: Full Sun, Sun or Semi-Shade Height: Up to 200cm (78.7in) Spread: Up to 500cm (196.9in) Ease of Growing: Easy for All Ease of Aftercare: Easy for All. Supplied as 1 x 3 Litre Potted Plant.