Thalictrum 'Anne'PBR

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meadow rue 'Anne'

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meadow rue 'Anne' RHS
Herbaceous Perennial
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An erect, rhizomatous herbaceous perennial up to 2.5m high, with purple stems, blue-green leaves, and purple-pink buds opening to flowers of white sepals and creamy stamens and pistils in summer; honeybees visit Thalictrum flowers for pollen

Position

Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
1.5-2.5 metres

Growing Conditions

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

Position

Partial shade
Aspect
South–facing or North–facing or East–facing or West–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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Ranunculaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Genus
Thalictrum can be rhizomatous or tuberous perennials with ternately or pinnately divided, often attractive foliage, and panicles or racemes of small flowers with showy stamens and sometimes large colourful petal-like sepals
Name Status
Accepted

How to Grow

Cultivation

Grow in moisture-retentive, humus-rich but well-drained soil in partial shade, and provide support if necessary, for example by growing among shrubs. See staking perennials for further advice.

Propagation

Propagate by division as new growth begins in spring; divisions may be slow to re-establish; propagation for resale is prohibited without a licence

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Cut flowers
  • Flower borders and beds

Pruning

No pruning required

Pests

May be susceptible to slugs

Diseases

May be susceptible to powdery mildews in dry conditions