Common Name: Delphinium
Genus: Delphinium
Cultivar: Black Knight Group
Skill Level: Experienced
Exposure: Full sun
Hardiness: Hardy
Soil type: Well-drained/light, Clay/heavy, Chalky/alkaline, Moist
Height: 170cm
Spread: 75cm
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.
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