Amelanchier canadensis 'Glenn Form'

RHS Plant Profile
serviceberry 'Glenn Form'
serviceberry 'Glenn Form' RHS

Synonyms

Amelanchier canadensis 'Rainbow'
Amelanchier canadensis 'Glenn's Upright'
Amelanchier canadensis Rainbow Pillar

Shrubs Trees Fruit Edible

An upright, suckering shrub, up to 5m high, with oblong mid-green leaves which become multi-coloured green, yellow, orange and red in autumn. Upright sprays of small, white, star-shaped flowers in late spring are followed in summer by blue-black berries which are edible but rather tasteless; they are however eaten by birds

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
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
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Rosaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Suckering
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, well-drained, lime-free soil; will grow in sun or partial shade but autumn colour will be brightest in full sun

Propagation

Propagate by layering, or by removing suckers in winter

Suggested planting locations and garden types

  • Wildlife gardens
  • City and courtyard gardens
  • Cottage and informal garden
  • Low Maintenance
  • Banks and slopes
  • Flower borders and beds
  • Hedging and screens
  • Edible fruit

Pruning

Pruning group 1

Pests

Generally pest-free

Diseases

May be susceptible to fireblight and honey fungus