Botanical profile

Amelanchier alnifolia 'Isaac'

Latin name
Amelanchier alnifolia 'Isaac'
Common name
Small hedgerow pear 'Isaac'
Type
Native fruit bush
Family
Rosaceae

Amelanchier alnifolia 'Isaac', or 'Isaac' Saskatoon Berry, is a fruit cultivar selected in Quebec for its superior productivity and proven hardiness. Its well-branched bushy habit and abundant white spring blossoms announce an early harvest of small, sweet, purple-blue berries, perfect for eating fresh or processing. Its bright green foliage turns to warm hues in the fall, adding decorative interest to landscapes. Ideal for fruit hedges, light understory plantings, or edible gardens, 'Isaac' is valued for its reliability, ease of maintenance, and ability to enrich gardens by offering both food and natural beauty, in a format perfectly suited to Quebec conditions.

Care guide

Growing conditions

Light, soil, water and hardiness

Hardiness zone
Zone 2
Exposure
Sun to partial shade
Watering
Moderate, tolerates dry spells well
Fertilization
Compost or natural fertilizer in spring
Soil type
Well-drained, tolerant
Minimum temperature
-40°C
Plant appearance

Blooming, foliage and shape

Blooming period
Spring
Flower color
Pure white
Fruiting
Small, sweet, purplish-blue berries, excellent fresh or in jams
Foliage color
Bright green → yellow/orange in autumn
Foliage type
Obsolete
Shape
Bushy upright
Garden structure

Size and growth

Height
10 ft (3 m)
Width
8.2 ft (2.5 m)
Growth rate
Moderate
Vegetable garden and yield

Companion planting, spacing and harvest

Fruit tree type
Serviceberry
Pet friendly
Safe for pets

Pets

Pollinators
Attracts or supports pollinating insects

Pollinators

Butterflies
Plants that attract butterflies

Butterflies

Deer
Less attractive or generally tolerated by deer

Deer

The availability of our plants varies depending on arrivals, seasons, nursery production and supplier availability. Some varieties may be offered for a limited time only, depending on their natural cycle or current stock. These plant profiles are designed to guide and inspire you when choosing plants for the garden, landscaping projects, containers or long-lasting outdoor arrangements.