Anemone × hybrida 'Robustissima'

RHS Plant Profile
Japanese anemone 'Robustissima'

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Japanese anemone 'Robustissima' RHS
Japanese anemone 'Robustissima' RHS / Joanna Kossak

Synonyms

Anemone tomentosa 'Robustissima'
Anemone vitifolia hort. 'Robustissima'

Plants for pollinators
Herbaceous Perennial
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Tall clump-forming perennial plant to 1.2m in height, with strongly divided, 3-lobed mid-green leaves, and 5-petalled dark pink flowers 5cm wide, borne on reddish stems from late summer to autumn

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
1-1.5 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
East–facing or South–facing or North–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
  • Coastal
  • Wildlife gardens
  • City and courtyard gardens
  • Flower borders and beds
  • Cut flowers

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