• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Potentilla nepalensis 'Miss Willmott'

cinquefoil 'Miss Willmott'

cinquefoil 'Miss Willmott'

© RHS 1998

  • Other common names cinquefoil 'Miss Willmott'

  • Synonyms Potentilla nepalensis willmottiae
    Potentilla willmottiae

    Potentilla 'Miss Wilmott'

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  • Family Rosaceae

  • Genus Potentilla can be herbaceous perennials, deciduous shrubs, or annuals, with palmately or pinnately divided leaves and solitary or clustered, saucer-shaped, 5-petalled flowers appearing over a long period

  • Details 'Miss Willmott' is an herbaceous perennial forming a clump to 35cm in height, with dark green leaves composed of five broad leaflets. Branched stems bear loose clusters of dark-centred cherry-pink flowers 2.5cm in width

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

  • Full Sun

  • Aspect South-facing

  • Exposure Exposed

Soil

  • Chalk

    Sand

  • Chalk

    Loam

  • Chalk

    Chalk

  • MoistureWell-drained

  • SoilSand, Loam, Chalk

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in poor to moderately fertile, well-drained soil in full sun

Propagation Propagate by division in autumn or spring

Suggested planting locations and garden types Flower borders and beds Ground Cover Cottage & Informal Garden Gravel Garden

How to care

Pruning Might die back naturally at the end of the season otherwise cut back stems that remain to ground level in spring

Pests Generally pest free

Diseases Generally disease free

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