Delphinium 'Black Knight' in 9cm pots.
Delphinium 'Black Knight' is a stunning perennial renowned for its towering spikes of deep midnight-blue to purple flowers, blooming in early to mid-summer. Part of the Pacific Giant series, this variety features lush, deeply lobed green foliage and adds dramatic height to borders or cottage gardens. Thriving in full sun and rich, well-drained soil, 'Black Knight' captivates with its bold colour, attracting pollinators like bees and bees while requiring staking to support its stately flower stalks.