• 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

Pieris japonica 'Mountain Fire'

pieris 'Mountain Fire'

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
pieris 'Mountain Fire'

© RHS 1999

  • Other common names pieris 'Mountain Fire'

  • Family Ericaceae

  • Genus Pieris are compact evergreen shrubs with leathery, dark green leaves, often brightly coloured when young, and small white urn-shaped flowers borne in panicles in spring

  • Details 'Mountain Fire' is a bushy medium-sized evergreen shrub with red young leaves, turning coppery-green and finally dark green; flowers creamy-white, in branched panicles in mid spring

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • Toxicity Toxic by ingestion

  • 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

Sunlight

  • Full Sun

  • Partial Shade

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

  • Exposure Sheltered

Soil

  • Chalk

    Sand

  • Chalk

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Loam

  • pHAcid

Size

  • Ultimate height 1.5-2.5 metres

  • Ultimate spread 1-1.5 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation Grows well in acidic, moderately fertile, humus-rich soil but may need some protection in winter when young

Propagation Propagate by softwood cuttings in early summer or semi-hardwood cuttings in late summer. Some bottom heat may be required

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

How to care

Pruning Pruning group 8

Pests Generally pest free

Diseases Phytopthora root diseases and a leaf spot may be a problem

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