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Anemone x hybrida 'Whirlwind'
common name: Japanese anemone
poisonous or irritant
full sun, part shade
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.
Hybrid of A. x hupehensis var. japonica and A. vitifolia.