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Shamrock Inkberry Holly

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Shamrock Inkberry Holly (Ilex glabra ‘Shamrock’)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

Characteristics

Average Landscape Height:
4 feet
Average Landscape Width:
4 feet
Growth Rate:
slow
Genus:
Ilex
Species:
glabra
Cultivar:
Shamrock
Summer Foliage Color:
dark green
Minimum Light:
partial shade
Maximum Light:
full sun
Minimum Moisture:
moist
Maximum Moisture:
wet
Plant Form:
oval
Canopy:
closed
Pruning:
late winter pruning
Pollution Tolerance:
high
Branching:
multi-stemmed
Evergreen:
1
Density:
dense

Ornamental Features

Shamrock Inkberry Holly has dark green evergreen foliage which emerges light green in spring on a plant with an oval habit of growth. The glossy narrow leaves remain dark green throughout the winter.

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.

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 foliage 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.

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