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Glen St. Mary Silverberry

Elaeagnus pungens 'Glen St. Mary'

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Glen St. Mary Silverberry (Elaeagnus pungens 'Glen St. Mary') at Lakeshore Garden Centres

Glen St. Mary Silverberry foliage

Glen St. Mary Silverberry foliage

(Photo courtesy of NetPS Plant Finder)

Height:  8 feet

Spread:  8 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  7a

Other Names:  Silverthorn

Description:

A semi-dwarf cultivar with leaves that are lusterous green on top and silvery white below; subtle, silvery white flower clusters in fall have a wonderful fragrance; a great, fast growing landscape shrub that can be maintained as a screen or hedge

Ornamental Features

Glen St. Mary Silverberry has attractive grayish green foliage with silver undersides on a plant with a mounded habit of growth. The fuzzy pointy leaves are highly ornamental and remain grayish green throughout the winter. It features subtle clusters of fragrant silver bell-shaped flowers with white overtones along the branches in early fall.

Landscape Attributes

Glen St. Mary Silverberry is a dense multi-stemmed evergreen shrub with a mounded form. Its relatively fine texture sets it apart from other landscape plants with less refined foliage.

This shrub will require occasional maintenance and upkeep, and is best pruned in late winter once the threat of extreme cold has passed. It has no significant negative characteristics.

Glen St. Mary Silverberry is recommended for the following landscape applications;

  • Hedges/Screening
  • Naturalizing And Woodland Gardens
  • Container Planting

Planting & Growing

Glen St. Mary Silverberry will grow to be about 8 feet tall at maturity, with a spread of 8 feet. It has a low canopy, and is suitable for planting under power lines. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 30 years.

This shrub does best in full sun to partial shade. It is very adaptable to both dry and moist locations, and should do just fine under average home landscape conditions. It is considered to be drought-tolerant, and thus makes an ideal choice for xeriscaping or the moisture-conserving landscape. It is particular about its soil conditions, with a strong preference for clay, alkaline soils, and is able to handle environmental salt. It is highly tolerant of urban pollution and will even thrive in inner city environments. This is a selected variety of a species not originally from North America.

Glen St. Mary Silverberry makes a fine choice for the outdoor landscape, but it is also well-suited for use in outdoor pots and containers. Because of its height, it is often used as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by smaller plants and those that spill over the edges. It is even sizeable enough that it can be grown alone in a suitable container. Note that when grown in a container, it may not perform exactly as indicated on the tag - this is to be expected. Also note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden. Be aware that in our climate, most plants cannot be expected to survive the winter if left in containers outdoors, and this plant is no exception. Contact our experts for more information on how to protect it over the winter months.

This plant is not reliably hardy in our region, and certain restrictions may apply; contact the store for more information.

 
 
Hardiness Zone Plant Height Minimum Sunlight Soil pH Preference
Characteristics
Screening  Naturalizing  Container 
Applications
Flowers  Foliage Color 
Ornamental Features