Delphinium Black Knight (Larkspur)
Atractive summer flower spikes of dark blue heads with black centres.
Tall and stately plants for back of borders and beds.
Type “6for5” into the coupon section at checkout in order to benefit from our 6x 2L herbaceous perennials for the price of 5x offer on herbaceous perennials.
June to August
Height and Spread
120cm by 60cm
Supplied Pot Size
Type of Plant