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thompson and morgan delphinium black knight 1 litre potted plant x 3, purple

Delphinium 'Black Knight' is a timeless addition to any cottage garden, renowned for its striking presence and deep indigo-blue flowers accented with captivating black eyes. This hardy perennial thrives when planted in bold clumps, creating a dramatic back-of-the-border impact that adds a touch of elegance to any landscape. As an extra special variety, 'Black Knight' delivers an enchanting display from early summer through the season, often blooming twice to extend its beauty. The tall, sturdy