• 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

Hydrangea serrata 'Shirofuji' (L/d)

hydrangea 'Shirofuji'

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
hydrangea 'Shirofuji'

© RHS

  • Other common names hydrangea 'Shirofuji'

  • Family Hydrangeaceae

  • Genus Hydrangea can be deciduous or evergreen shrubs, or self-clinging climbers, with flowers in clusters usually comprising both small fertile and more showy sterile flowers; often good autumn colour

  • Details 'Shirofuji' is a compact low-growing deciduous shrub with pointed mid green leaves flushed crimson when young and in autumn. A Japanese lacecap cultivar featuring graceful flowerheads composed of narrow-tepalled, double white ray florets on arching stalks from summer to autumn

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • Toxicity May cause mild stomach upset if ingested

  • 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)

    H4

Colour

Sunlight

  • Partial Shade

  • Aspect North-facing or West-facing or East-facing

  • Exposure Sheltered

Soil

  • Clay

    Clay

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilClay, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.5-1 metres

  • Ultimate spread 0.5-1 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Grow in moist but well-drained soil in partial shade or in sun if the soil is reliably moist. Further hydrangea cultivation advice

Propagation Propagate by softwood cuttings in early summer or hardwood cuttings in winter

Suggested planting locations and garden types Flower borders and beds City & Courtyard Gardens Coastal Cottage & Informal Garden Patio & Container Plants

How to care

Pruning Pruning group 4

Pests Aphids, capsid bug, hydrangea scale and vine weevils may be a problem

Diseases May be subject to a leaf spot, grey moulds, powdery mildews and honey fungus

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