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Amelanchier laevis 'Cumulus'

Common Name(s):

Allegheny Serviceberry

Juneberry

Synonym:

​

Smooth serviceberry

Flower:

White

Blooms :

Apr

to:

Apr

Small 5-petaled white flowers in drooping clusters

Botanical Description

Fragrant?

YES

Family:

Rosaceae

Tree, Broadleaf

Foliage:

Green

Simple leaves tapered to a sharp point, alternate. Bronzy color when unfolding before flowering

Fall Color?

YES

Excellent red-orange fall color

Deciduous

Photo by: 

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Structural skeleton of this multi-branched tree and thin delicate twigs create a pleasant branching pattern against the snow

Oregon Native?

NO

West State Native?

NO

Origins:

Eastern North America

Site Selection

Minimum USDA Hardiness Zone:

4

Water Needs:

L

Sun Needs:

Partial Sun

Deer Resistant?

YES

Firewise?

YES

Height:

20-25'

Spread:

10-15'

Growth Rate:

medium

Native Habitat:

Thickets, open woods, sheltered slopes, wood margins

Soil:

Well drained soils; avoid wet, poorly drained soils. Soil pH 5.5 to 7.0; tolerates higher

Care Recommendations

Maintenance Level:

Low

Fertilizer:

Not needed in good soils, if compost is added yearly. Otherwise, sprinkle low analysis fertilizer (5-3-4) such as alfalfa meal, blood meal or fish emulsion in spring

Mulch:

2-3" layer of wood chips or bark

Give consistent watering, apply compost or slow-release fertilizer, prune in late winter, mulch

Long Term:

Winter:

Prune late winter or early spring before bud break. During the first 3 years only prune weak or damaged branches, after that prune more vigorously to control height and shape and to encourage new growth. Then, prune as needed to allow for light and air movement

Spring:

Prune before bud break, keep soil consistently moist, fertilize

Summer:

Water deeply, mulch, harvest berries

Fall:

Maintain good soil moisture, mulch, do not prune

General Care Comments:

Provide moderate consistent watering, prefers full sun, adaptable to various soil types, requires minimal pruning, apply fertilizer in spring, provide good airflow to help decrease funal diseases

Common Problems

Susceptibility to fungal diseases

Diseases:

Rust, fire blight, powdery mildew, leaf spot and canker

Insects:

Leaf miners, lace bugs, spider mites, borers, pear slug sawfly, fall webworm

Environmental Problems:

May see fall color early when stressed after a hot, dry summer

Pests:

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COMGA

Email:

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