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botanical name:
Anemone x hybrida 'Whirlwind'
Anemone x hybrida 'Whirlwind' © Deeproot Plant Base    view larger image
common name:  Japanese anemone
family:  Ranunculaceae
characteristics: perennial
height: 0.90m
width: 1.50m
growth rate: medium
growth habit:
leaf colour: green
flower colour: white
main season: Summer
poison symbol poisonous or irritant
aspect: full sun, part shade
conditions: moist soil, clay soil, sandy soil
preferred soil pH: neutral-alkaline
minimum temp: -18°C
USDA zone: 7 to 8
Semi-double white flowers, often with twisted greenish-white central tepals. Flowering late summer to autumn.

Moist, fertile, humus-rich in sun or part shade. Dislikes excessive winter wet.
Cut back dead flower stems after flowering and foliage back to soil level as soon as it browns with frost. In mild winters, foliage will persist for several months. No staking is required. Divide every three years. Mulch in autumn and spring. Feed in mid-spring and midsummer with general purpose fertiliser.

By division in autumn or early spring.

Mixed and herbaceous borders.

other notes:
Hybrid of A. x hupehensis var. japonica and A. vitifolia.
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