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botanical name:
Astrantia major ssp. involucrata 'Shaggy'
Astrantia major ssp. involucrata 'Shaggy' © Deeproot Plant Base    view larger image
common name:  Masterwort
synonyms:  Astrantia major 'Margery Fish'
family:  Apiaceae
characteristics: perennial
height: 0.80m
width: 0.45m
growth rate: medium
growth habit: clump
leaf colour: green
flower colour: white & green
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
Clump forming perennial with divided, lobed leaves and comparatively large pink-tinted, silvery greenish-white flowers with very long, green-tipped, white bracts.

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.

other notes:
Believed to have originated in Margery Fish's garden, East Lambrook, Somerset

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