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common name: Grape hyacinth
synonyms: Hyacinthus azureus, Hyacinthella azurea, Bellevalia azurea
growth rate: medium
growth habit: bulb/corm
leaf colour: grey-green
flower colour: light blue
main season: Spring
dry soil, moist soil, sandy soil
preferred soil pH: any
minimum temp: -18°C
USDA zone: 7 to 9
Small bulbous perennial with narrow lance-shaped greyish-green leaves. Heads of small bell-shaped, bright sky-blue flowers with darker stripes, early in spring, usually from March. Neat habit.
Moderately fertile, well-drained soil in full sun. Lift and divide clumps when dormant in summer, if they become congested. Will naturalise.
Can be forced to flower early if planted in containers and brought indoors when the flower buds begin to form.
Best by seed and will self seed freely. Also by separation and replanting of bulb offsets. Large bulbs can also be split into four (scaling), for growing on. This species is however easily affected by a virus, which is not carried by seed.