Delphinium Black Knight Group

This clump-forming perennial is the classic delphinium of cottage gardens and traditional herbaceous borders with tall, dense spikes of very dark purple-blue flowers, Jun-Aug. H150cm S60cm.

Care Instructions

Grow in a fertile, well-drianed garden soil in an open sunny position, out of the wind. It requires staking and likes lots of feeding. It is a good cut flower.

All parts may cause severe discomfort if ingested and contact with the foliage may irritate the skin.