Delphinium ‘Dark Blue’

Delphinium ‘Dark Blue’ is a striking perennial, renowned for its tall spires of vivid blue flowers. Reaching an impressive height of 1.5-2 meters (5-6.5 feet), it is a perfect choice for the back of borders, cottage gardens, and as a dramatic focal point in any garden. This stately plant thrives best in full sun to partial shade and prefers rich, well-drained soil.

Flowering from early summer to midsummer, Delphinium ‘Dark Blue’ produces dense spikes of deep blue, semi-double blooms with contrasting white or dark centers. This stunning floral display adds vertical interest and a pop of colour, creating a stunning visual impact in the garden.

Pruning involves cutting back the spent flower spikes to encourage a second flush of blooms in late summer. In autumn, after flowering has finished, cut the plant down to ground level. Feeding Delphinium ‘Dark Blue’ with a balanced, slow-release fertiliser in spring and a high-potash feed during flowering will support robust growth and abundant blooms.

Delphinium ‘Dark Blue’ is beneficial for bees and other pollinators. Its tall flower spikes are rich in nectar, providing a valuable food source that attracts bees, butterflies, and other beneficial insects. Planting Delphinium ‘Dark Blue’ not only enhances your garden’s beauty but also supports local pollinator populations and promotes biodiversity, making it an excellent choice for a wildlife-friendly garden.