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Alaska Highbush Cranberry

Viburnum trilobum 'Alaska'

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Alaska Highbush Cranberry (Viburnum trilobum 'Alaska') at Lakeshore Garden Centres

Alaska Highbush Cranberry fruit

Alaska Highbush Cranberry fruit

(Photo courtesy of NetPS Plant Finder)

Alaska Highbush Cranberry (Viburnum trilobum 'Alaska') at Lakeshore Garden Centres

Alaska Highbush Cranberry flowers

Alaska Highbush Cranberry flowers

(Photo courtesy of NetPS Plant Finder)

Alaska Highbush Cranberry (Viburnum trilobum 'Alaska') at Lakeshore Garden Centres

Alaska Highbush Cranberry in bloom

Alaska Highbush Cranberry in bloom

(Photo courtesy of NetPS Plant Finder)

Height:  10 feet

Spread:  8 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  2a

Other Names:  American Cranberrybush

Description:

A very attractive garden shrub which is covered in clusters of pure white pinwheel flowers in spring; bright red fruit is great for jams and jellies; hardy and adaptable, makes a great natural tall hedge

Ornamental Features

Alaska Highbush Cranberry features showy white lacecap flowers held atop the branches in late spring. It features an abundance of magnificent scarlet berries from late summer to late winter. It has dark green deciduous foliage. The serrated lobed leaves turn an outstanding orange in the fall. The smooth gray bark and gold branches add an interesting dimension to the landscape.

This plant is primarily grown as an ornamental, but it's also valued for its edible qualities. The round sour berries are most often used in the following ways:

  • Preserves

Landscape Attributes

Alaska Highbush Cranberry is a dense multi-stemmed deciduous shrub with an upright spreading habit of growth. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.

This is a relatively low maintenance shrub, and should only be pruned after flowering to avoid removing any of the current season's flowers. It is a good choice for attracting birds to your yard, but is not particularly attractive to deer who tend to leave it alone in favor of tastier treats. It has no significant negative characteristics.

Alaska Highbush Cranberry is recommended for the following landscape applications;

  • Accent
  • Mass Planting
  • Hedges/Screening
  • General Garden Use
  • Orchard/Edible Landscaping

Planting & Growing

Alaska Highbush Cranberry will grow to be about 10 feet tall at maturity, with a spread of 8 feet. It tends to be a little leggy, with a typical clearance of 2 feet from the ground, and is suitable for planting under power lines. It grows at a medium rate, and under ideal conditions can be expected to live for 40 years or more.

This shrub does best in full sun to partial shade. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments. This is a selection of a native North American species.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Accent  Massing  Screening  Garden  Orchard 
Applications
Flowers  Fruit  Fall Color  Bark  Winter Value  Attracts Wildlife 
Ornamental Features