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Amelanchier laevis 'Cumulus' (Juneberry 'Cumulus')

Other names: Allegheny serviceberry 'Cumulus', Allegheny shadberry 'Cumulus', Snowy mespilus 'Cumulus'

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Variety or Cultivar
'Cumulus' is a rounded to broadly conical, deciduous shrub or small tree with ovate, mid-green leaves, bronze in spring and turning shades or red, orange, and yellow in autumn. Pendent racemes of white flowers in mid-spring are followed by spherical, edible, red fruit ripening blue-black.
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Season of interest

Flower

Spring Summer Autumn Winter
Flower

Foliage

Spring Summer Autumn Winter
Foliage
Height and spread

Height and spread

Size Max height Max spread To maturity
9 m 6 m 10-20 years
29 ft 19 ft 10-20 years

Where to grow

Soil type
  • Clay
  • Loamy
  • Sandy
Soil drainage
  • Moist but well-drained
  • Well-drained
Soil pH
  • Acid
  • Neutral
Sunlight
  • Partial Shade
  • Full Sun
Aspect
  • East
  • West
  • South
  • North
Exposure
  • Exposed
  • Sheltered

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Additional plant details

Cultivation

Grow in moist but well-drained, neutral to acid soil in full sun or partial shade. Autumn colour is best in full sun. Fruit attracts birds.

Suggested uses

Cottage/Informal, City, Hedging/Screens, Low Maintenance, Wildlife

UK hardiness

H7

USDA zones

Zone 4, Zone 5, Zone 6, Zone 7, Zone 8, Zone 9

Sunset zone

4, 5, 6, 2, 3

WUCOLS

North-Central Coastal = Unknown
Central Valley = Unknown
South Coastal = Unknown
South Inland = Unknown
High and Intermediate Desert = Unknown
Low Desert = Unknown

Foliage

Deciduous

Habit

Rounded, Broadly conical

Native to

Garden origin

Drought tolerant

No

Flood tolerant

No

Toxicity

Not toxic

Plant care

Pruning

Pruning group 1

Propagation methods

Semi-hardwood cuttings

Pests

Diseases

Fireblight

Selective pruning only (only if needed)

Take semi-hardwood cuttings in late-summer

Plant in moist, lime free, well-drained soil

Plant container grown plants in a sunny postion

Plant in full sun or partial shade (autumn or spring)

Other plants

Plants in this Genus (28)

Amelanchier

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Amelanchier x grandiflora 'Ballerina'
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Amelanchier x grandiflora 'Ballerina' Apple serviceberry 'Ballerina'
Amelanchier canadensis
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Amelanchier canadensis Serviceberry
Amelanchier lamarckii
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Amelanchier lamarckii Snowy mespilus
Amelanchier laevis
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Amelanchier laevis Juneberry
Amelanchier x grandiflora 'Robin Hill'
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Amelanchier x grandiflora 'Robin Hill' Apple serviceberry 'Robin Hill'
Amelanchier x grandiflora
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Amelanchier x grandiflora Apple serviceberry
Amelanchier laevis 'Snowflakes'
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Amelanchier laevis 'Snowflakes' Juneberry 'Snowflakes'
Amelanchier alnifolia 'Obelisk'
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Amelanchier alnifolia 'Obelisk' Alder-leaved serviceberry 'Obelisk'
Amelanchier spicata
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Amelanchier spicata Dwarf serviceberry
Amelanchier 'La Paloma'
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Amelanchier 'La Paloma' Snowy mespilus 'La Paloma'
Amelanchier x grandiflora 'Princess Diana'
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Amelanchier x grandiflora 'Princess Diana' Apple serviceberry 'Princess Diana'
Amelanchier x grandiflora 'Autumn Brilliance'
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Amelanchier x grandiflora 'Autumn Brilliance' Serviceberry 'Autumn Brilliance'
Amelanchier alnifolia
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Amelanchier alnifolia Alder-leaved serviceberry
Amelanchier laevis 'R.J. Hilton'
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Amelanchier laevis 'R.J. Hilton' Juneberry 'R.J. Hilton'
Amelanchier x grandiflora 'Rubescens'
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Amelanchier x grandiflora 'Rubescens' Apple serviceberry 'Rubescens'
Amelanchier alnifolia 'Forestburg'
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Amelanchier alnifolia 'Forestburg' Alder-leaved serviceberry 'Forestburg'
Amelanchier sanguinea
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Amelanchier sanguinea Roundleaf serviceberry
Amelanchier canadensis 'Glenn Form'
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Amelanchier canadensis 'Glenn Form' Serviceberry 'Glenn Form'
Amelanchier arborea
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Amelanchier arborea Tree amelanchier
Amelanchier alnifolia 'Northline'
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Amelanchier alnifolia 'Northline' Alder-leaved serviceberry 'Northline'
Amelanchier laevis 'Cumulus'
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Amelanchier laevis 'Cumulus' Juneberry 'Cumulus'
Amelanchier ovalis 'Helvetica'
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Amelanchier ovalis 'Helvetica' Snowy mespilus 'Helvetica'
Amelanchier canadensis 'October Flame'
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Amelanchier canadensis 'October Flame' Canadian serviceberry 'October Flame'
Amelanchier ovalis
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Amelanchier ovalis Snowy mespilus
Amelanchier alnifolia 'Krasnojarskaja'
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Amelanchier alnifolia 'Krasnojarskaja' Alder-leaved serviceberry 'Krasnojarskaja'
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