• 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

Amelanchier × grandiflora 'Princess Diana'

serviceberry 'Princess Diana'

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
  • Other common names serviceberry 'Princess Diana'

  • Synonyms Amelanchier laevis 'Princess Diana'
    Amelanchier 'Princess Diana'

  • Family Rosaceae

  • Genus Amelanchier are small deciduous trees or shrubs with showy white flowers in early spring, red to purple fruits and often good autumn colour

  • Details 'Princess Diana' forms a broad, upright shrub or small tree with pale bronze young foliage and white flowers in spring, followed by purplish-blue fruit in summer and red, yellow and orange autumn colour

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • 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)

    H7

Colour

Sunlight

  • Full Sun

  • Partial Shade

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

  • Exposure Sheltered or Exposed

Soil

  • Clay

    Clay

  • Sand

    Sand

  • Loam

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilClay, Sand, Loam

  • pHAcid, Neutral

Size

  • Ultimate height 4-8 metres

  • Ultimate spread 4-8 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation Grow in moist, lime-free, well-drained soil. The best autumn colour is achieved when grown in full sun

Propagation Propagate by semi-hardwood cuttings

Suggested planting locations and garden types Hedging & Screens Low Maintenance City & Courtyard Gardens Wildlife Gardens Cottage & Informal Garden

How to care

Pruning Pruning group 1

Pests Generally pest free

Diseases Fireblight may be a problem

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