Thalictrum aquilegiifolium 'Album'

RHS Plant Profile

French meadow rue 'Album'

Herbaceous Perennial

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An upright, clump-forming perennial with bluish-green leaves composed of obovate leaflets. Dense, frothy clusters of white flowers, with prominent white stamens, produced in panicles on glaucous stems in late spring or early summer

Position

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

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): 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: Contact with foliage may irritate the skin. Wear gloves and other protective equipment when handling
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 moist, humus-rich soil in partial shade

Propagation

Propagate by seed in pots in a cold frame as soon as seed is ripe or in early spring. Propagate by division in spring as new growth begins

Suggested planting locations and garden types

Coastal
Cottage and informal garden
Gravel garden
Flower borders and beds

Pruning

Cut down stems once flowering is over

Pests

Slugs may be a problem

Diseases

May be susceptible to powdery mildews in dry conditions