Anemone rivularis

RHS Plant Profile
riverside windflower

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riverside windflower RHS 2002
Bogs Herbaceous Perennial
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A clump-forming perennial with deeply 3-lobed leaves and erect, branched stems bearing umbels of saucer-shaped white flowers, tinged blue on the reverse, in late spring and early summer

Position

Full sun, Partial shade

Soil Types

Clay, Loam

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

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

Position

Full sun Partial shade
Aspect
South–facing or West–facing or East–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)
H5

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
Potentially harmful
Ingestion may cause mild stomach upsetcontact may irritate skin. Wear gloves and other protective equipment when handling
Genus
Anemone are herbaceous perennials with fibrous, rhizomatous or tuberous rootstocks, palmately lobed leaves and saucer-shaped, usually 5-petalled flowers
Name Status
Correct
Plant Range
Asia

How to Grow

Cultivation

Grow in moist but well-drained soil in full sun or partial shade.

Propagation

Propagate by division in early spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Wildflower meadow
  • Flower borders and beds

Pruning

Cut back after flowering

Pests

May be damaged by eelworms, slugs and caterpillars

Diseases

Powdery mildews may be a problem