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Majestic spires of semi-double, deep purple flowers with a black central eye. Delphiniums look wonderful planted in bold clumps towards the back of a well-drained, sunny border. For the best results stake well, protect from slugs and snails and feed with sheep pellets. Perennial.
Flower Colour: Purple / Black
Habit: Upright
Leaves: Deciduous, Green
Mature Size (HxW): 1m
Delphinium Black Knight
Expected Stock Height: 5/10 cm ?
New stock expected Middle of October, 2025. Waitlist now. Estimated price $19.99. Payment on order.