Anemone × hybrida 'Whirlwind' (Japanese anemone)

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Many anemones are known as ‘windflowers’—their blooms nod and dance in breezes. Japanese anemones are valued for extending colour into autumn, while wood anemones carpet spring woodland.

Anemone × hybrida 'Whirlwind' brings semi-double to double white blooms with a yellow centre to late-summer borders, opening on slender stems above handsome, deep green foliage. The saucer-like blooms hover gracefully and keep the garden going just as many perennials begin to fade, adding movement and light to mixed planting schemes.

Typically reaching around 75–100cm once established, Japanese anemones form clump-forming plants that spread gently by suckers over time. They flower for weeks from late summer into autumn and are excellent for weaving through grasses and shrubs, as well as for cutting when stems are harvested in bud.

Plant in full sun or partial shade in moderately fertile, moist but well-drained soil. Choose a sheltered spot and enrich the planting area with compost to help retain moisture. Water well after planting and keep the soil evenly moist while roots establish.

Mulch annually in spring to conserve moisture and feed the soil, and water during prolonged dry spells. Deadhead spent flowers for a tidier display, and cut back stems once the plant has finished in autumn. Divide congested clumps in early spring if you want to control spread or increase stock.

Perfect for naturalistic borders, cottage-style planting and late-season pollinator support, these anemones also make long-lasting cut flowers. Their airy habit pairs beautifully with asters, rudbeckias and ornamental grasses, extending colour and texture into the autumn months.

Botanical name Anemone × hybrida 'Whirlwind'
Flower colour White
Tuber size Grade I (Top Size)
Established height 50–100 cm
Established spread 10–50 cm
Plant spacing 12–15 plants per m²
Leaf colour Green
Habit Clump-forming
Life cycle Perennial
Hardiness Fully hardy (H6)
Years to establish 2–5 years
Sunlight Full sun, Partial shade
Position Exposed or Sheltered
Suitable for Borders, Cottage garden, Cutting garden
Soil acidity Any
Soil moisture Moist but well-drained
Soil type Chalk, Clay, Loam, Sand
RHS Award (AGM) Yes
Growing skill Easy to grow
Pollinator-friendly Yes
Deer resistant No

Where to Plant:

Anemone × hybrida 'Whirlwind' thrives in borders with full sun or partial shade, especially where soil stays evenly moist. It is excellent at the back of borders, among shrubs, or threaded through grasses, and performs well in sheltered gardens with good air flow.

How to Plant:

Plant in spring or early autumn in moist but well-drained soil enriched with compost. Set the crown at the same depth it was growing in the pot (or just below soil level for bare roots) and firm in gently. Water thoroughly after planting and keep the soil moist during the first growing season.

Aftercare:

Mulch in spring to conserve moisture and feed the soil, and water during prolonged dry spells. Deadhead for a tidier display, then cut stems back once flowering finishes. Divide in early spring if clumps become crowded, and remove unwanted suckers to manage spread.

Planting and Flowering Calendar

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Key Features

Packed in paper

Packed peat-free

Great for Shade

Low maintenance

Good for cutting

£6.89 £4.13

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