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botanical name:
Allium rosenbachianum 'Michael Hoog'
Allium rosenbachianum 'Michael Hoog' © Deeproot Plant Base
common name:  Ornamental onion
family:  Alliaceae
characteristics: perennial
height: 1.00m
width: 0.20m
growth rate: medium
growth habit: bulb/corm
leaf colour: green
flower colour: violet
stem/bark: green
main season: Summer
aspect: full sun
conditions: dry soil, moist soil
preferred soil pH: any
minimum temp: -5°C
USDA zone: 9 to 10
Bulb producing long, strap-shaped glaucous green basal leaves and large round umbels of rose-purple to violet flowers on stiff stems in May and June.

Well drained soil in sun.

other notes:
Collected by Janis Ruksans in Uzbekistan, 1982
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