Potentilla fruticosa 'McKay's White'

RHS Plant Profile
shrubby cinquefoil 'McKay's White'

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A compact, bushy deciduous shrub with small pinnate green leaves reaching a height and spread of 60cm, covered in open, saucer-shaped creamy white flowers from May to September

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
0.5-1 metres

Growing Conditions

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

Position

Full sun
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or 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
Rosaceae
Native to GB/Ireland
No
Foliage
Deciduous, Semi evergreen
Habit
Clump forming
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
Name Status
Accepted

How to Grow

Cultivation

Grow in well-drained soil in full sun

Propagation

Propagate by seed and semi-hardwood cuttings

Suggested planting locations and garden types

  • Cottage and informal garden
  • Coastal
  • Gravel garden
  • Wildlife gardens
  • Flower borders and beds
  • Hedging and screens

Pruning

Pruning group 10 if needed

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus