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Shamrock Inkberry Holly

Ilex glabra 'Shamrock'

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Shamrock Inkberry Holly (Ilex glabra 'Shamrock') at Ashcombe Farm & Greenhouses

Ilex glabra 'Shamrock'

Ilex glabra 'Shamrock'

(Photo courtesy of NetPS Plant Finder)

Shamrock Inkberry Holly (Ilex glabra 'Shamrock') at Ashcombe Farm & Greenhouses

Ilex glabra 'Shamrock' foliage

Ilex glabra 'Shamrock' foliage

(Photo courtesy of NetPS Plant Finder)

Height:  4 feet

Spread:  4 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  5a

Description:

A highly desirable and versatile evergreen landscape shrub, can be used in the garden or for hedging, massing and topiary, takes pruning very well; small glossy leaves and a naturally dense, compact oval form

Ornamental Features

Shamrock Inkberry Holly has dark green foliage which emerges light green in spring. The glossy narrow leaves remain dark green throughout the winter. Neither the flowers nor the fruit are ornamentally significant.

Landscape Attributes

Shamrock Inkberry Holly is a dense multi-stemmed evergreen shrub with a shapely oval 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. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Suckering

Shamrock Inkberry Holly is recommended for the following landscape applications;

  • Mass Planting
  • Hedges/Screening
  • General Garden Use
  • Topiary

Planting & Growing

Shamrock Inkberry Holly will grow to be about 4 feet tall at maturity, with a spread of 4 feet. It tends to fill out right to the ground and therefore doesn't necessarily require facer plants in front. It grows at a slow 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 moist to wet soil, and will even tolerate some standing water. It is very fussy about its soil conditions and must have rich, acidic soils to ensure success, and is subject to chlorosis (yellowing) of the leaves in alkaline soils. It is highly tolerant of urban pollution and will even thrive in inner city environments. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This is a selection of a native North American species.

 
 
Hardiness Zone Plant Height Minimum Sunlight Soil pH Preference
Characteristics
Massing  Screening  Garden  Topiary 
Applications
Winter Value 
Ornamental Features