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botanical name:
Astrantia major 'Alba'
Astrantia major 'Alba' © Deeproot Plant Base
common name:  Masterwort
family:  Apiaceae
characteristics: perennial, ground-cover
height: 0.90m
width: 0.60m
growth rate: medium
growth habit: clump
leaf colour: green
flower colour: white
main season: Summer
aspect: full sun, part shade
conditions: moist soil, clay soil
preferred soil pH: any
minimum temp: -35°C
USDA zone: 5 to 8
Sturdy clump-forming perennial with palmately divided leaves. Greenish-white pincushion-like flowers with long bracts, on branching stems from June to September.

Reasonably fertile, moist, preferably humus-rich soil in sun or part shade.
May self-seed, but resulting plants will be variable and unlikely to be true to their parents.

By division in spring.

Makes effective ground cover. Good for cutting.

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