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Thalictrum delavayi 'Album'

Chinese meadow rue 'Album'

Sold by 56 nurseries

  • Other common names Chinese meadow rue 'Album'

  • Family Ranunculaceae

  • 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

  • Details an upright herbaceous perennial growing to around 1.5m, with leaves divided into many small oblong leaflets, and large open panicles of white flowers 2cm in width with prominent stamens.

Characteristics

  • Foliage Deciduous

  • Habit Clump-forming

  • 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

Sunlight

  • Partial Shade

  • Aspect East-facing or West-facing or South-facing

  • Exposure Sheltered

Soil

  • Chalk

    Chalk

  • Clay

    Clay

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilChalk, Clay, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 1.5-2.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in moist, humus-rich soil in partial shade. May need staking. See staking perennials for further advice.

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 Flower borders and beds Cottage & Informal Garden Gravel Garden

How to care

Pruning In late autumn or early winter the faded flower stems cam be cut back to ground level to tidy the plant if required.

Pests Generally pest-free

Diseases May be subject to powdery mildews in dry conditions

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