Common Name: Delphinium
Cultivar: Black Knight Group
Skill Level: Experienced
Exposure: Full sun
Soil type: Well-drained/light, Clay/heavy, Chalky/alkaline, Moist
Time to divide plants: March to April
Flowering period: June to July
Delphiniums are one of the classic flowers of the traditional summer garden. Their tall upright spikes laden with intensely-coloured flowers are a feature of herbaceous borders, where they are best grown near the back to add height and drama. The plants look best grown in a group with several other varieties in shades of blue and cream. Although the flowering season is quite short, delphiniums can often be coaxed into producing a few later flowers if the flower spikes are cut down as soon as the blooms are over. Black Knight Group produces gorgeous deep purple flowers with black eyes.
Looks good with:Verbascum 'Cotswold Queen'
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