Genus Information
Sun Requirements
Delphinium ‘Black Knight’ prefers a sheltered position and requires full sun to thrive, this consists of more than six hours of direct sunshine per day.Hardiness
Delphinium ‘Black Knight’ is fully hardy.
Growth Information
Delphinium ‘Black Knight’ is quite a fast grower and in the right conditions will reach its full size in 2-5 years. It can reach heights of up to 1.5m and will spread up to 0.5m.
Flowering
Delphinium ‘Black Knight’ produces purple flowers. These flowers will be produced between June to July.
Foliage
Delphinium ‘Black Knight’ is a deciduous plant and produces green foliage you should deadhead this plant regularly to promote new flowers coming through and it will benefit from being cut back once it has finished flowering to promote growth next year.
Wildlife, Pests and Diseases
Delphinium ‘Black Knight’ can have problems with leaf miners and caterpillars, it can also be vulnerable to certain diseases such as powdery mildews and virus’. It is not known to attract any particular wildlifeCats, and is toxic to dogs, Horses and People.
Soil Requirements
Delphinium ‘Black Knight’ is a versatile plant and can cope with wet or drier soils, but prefers there to be decent drainage and it can be planted in soil of any pH.