Anemone × hybrida 'Whirlwind'

RHS Plant Profile

Japanese anemone 'Whirlwind'

RHS

Synonyms

Anemone japonica 'Whirlwind'
Anemone × hybrida 'Wirbelwind'
Anemone × hybrida Tourbillon
Anemone × hybrida Wirbelwind

Herbaceous Perennial

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Vigorous, clump-forming perennial about 90cm tall, 3-lobed mid-green leaves, and semi-double to double white flowers 6cm wide, with narrow, slightly rolled petals, several outer petals are green, and a central boss of yellow stamens, from late summer to late autumn

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: North–facing or East–facing or South–facing or West–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H7

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Ranunculaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Clump forming
Genus: Anemone are herbaceous perennials with fibrous, rhizomatous or tuberous rootstocks, palmately lobed leaves and saucer-shaped, usually 5-petalled flowers
Name Status: Accepted

How to Grow

Cultivation

Will grow in any garden soil but avoid excessive winter wet, dislikes being moved around. Can spread rapidly once established and has the potential to become a nuisance. See anemone cultivation

Propagation

Propagate by division in early spring or autumn, or propagate by root cuttings

Suggested planting locations and garden types

Cottage and informal garden
City and courtyard gardens
Coastal
Wildlife gardens
Flower borders and beds

Pruning

Cut back in late autumn

Pests

May be susceptible to leaf and bud eelworm, caterpillars and slugs

Diseases

May be susceptible to powdery mildew and anemone smuts