Amelanchier × grandiflora 'Princess Diana'

RHS Plant Profile

serviceberry 'Princess Diana'

Synonyms

Amelanchier laevis 'Princess Diana'
Amelanchier 'Princess Diana'

Shrubs Trees Fruit Edible

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A broad, upright shrub or small tree with pale bronze young foliage and white flowers in spring, followed by edible purplish-blue fruit in summer and red, yellow and orange autumn colour

Position

Full sun, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

4-8 metres

Size

Time to Maturity: 10–20 years
Max Spread: 4-8 metres
Max Height: 4-8 metres

Growing Conditions

Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Neutral

Position

Full sun Partial shade

Aspect: South–facing or North–facing or West–facing or East–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): H7

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Rosaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Potentially harmful: The berries are edible, but this tree is usually grown as an ornamental plant rather than to provide a crop of fruit in the UK
Genus: Amelanchier are small deciduous trees or shrubs with showy white flowers in early spring, red to purple fruits and often good autumn colour
Name Status: Accepted

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

City and courtyard gardens
Cottage and informal garden
Wildlife gardens
Low Maintenance
Hedging and screens
Edible fruit

Pruning

Pruning group 1

Pests

Generally pest-free

Diseases

May be susceptible to fireblight and honey fungus