Anemonella thalictroides 'Betty Blake' (d)

RHS Plant Profile
rue anemone 'Betty Blake'

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rue anemone 'Betty Blake' RHS / Joanna Kossak
rue anemone 'Betty Blake' RHS / Joanna Kossak
Herbaceous Perennial
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A tuberous, clump-forming perennial to about 10cm high, slowly spreading to 30cm across. Pale yellowish-green, double flowers are produced above the delicate, ferny foliage in spring and early summer

Position

Partial shade

Soil Types

Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

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

Position

Partial shade
Aspect
North–facing or East–facing
Exposure
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)
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Ranunculaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Anemonella are small, clump-forming tuberous perennials with fern-like, divided leaves and small clusters of cup-shaped flowers in spring and early summer
Name Status
Accepted

How to Grow

Cultivation

Grow in moist, moderately fertile, humus-rich soil in part shade. Tubers may rot in very wet soils

Propagation

Divide young plants in early spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Rock garden
  • Underplanting of roses and shrubs
  • Flower borders and beds

Pruning

No pruning required

Pests

May be susceptible to damage from slugs

Diseases

Generally disease-free