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botanical name:
Crocus vernus 'Grande Maître'
Crocus vernus 'Grande Maître' © Deeproot Plant Base
common name:  Dutch Crocus
family:  Iridaceae
characteristics: perennial
height: 0.12m
width: 0.05m
growth rate: medium
growth habit: bulb/corm
leaf colour: dark green
flower colour: violet
main season: Spring
aspect: full sun
conditions: dry soil, moist soil, sandy soil
preferred soil pH: any
minimum temp: -25°C
USDA zone: 4 to 9
description:
Large flowered Dutch Crocus, goblet-shaped, silvery lavender-violet flowers, paler at the petal margins. March to April flowering.

cultivation:
Slower and more difficult to establish in cultivation than other, smaller species.
Well drained, humus-rich soil, preferably moist in spring but quite dry in summer. Full sun.

propagation:
By division of bulb offsets

other notes:
Raised about 1924, by W.J. Eldering, Overveen, Holland.
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