Inkberry (Ilex glabra 'Shamrock') in the Ilex Database

Common names:
Give a thumbs up Inkberry
Give a thumbs up Gallberry

General Plant Information (Edit)
Plant Habit: Shrub
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Partial or Dappled Shade
Water Preferences: Wet Mesic
Mesic
Soil pH Preferences: Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 9b
Plant Height: 4 to 5 feet
Plant Spread: 4 to 6 feet
Leaves: Evergreen
Broadleaf
Fruit: Edible to birds
Fruiting Time: Late summer or early fall
Fall
Late fall or early winter
Flowers: Inconspicuous
Flower Color: White
Flower Time: Late spring or early summer
Summer
Suitable Locations: Beach Front
Bog gardening
Uses: Windbreak or Hedge
Provides winter interest
Will Naturalize
Wildlife Attractant: Bees
Birds
Resistances: Deer Resistant
Flood Resistant
Toxicity: Fruit is poisonous
Propagation: Other methods: Stolons and runners
Pollinators: Bees
Miscellaneous: Dioecious

full-grown shrub in summer

Photo gallery:
Location: Newtown Square, PennsylvaniaDate: 2011-08-05full-grown shrub in summer
By ILPARW
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Location: Downingtown, PennsylvaniaDate: 2014-03-05full-grown shrub in winter
By ILPARW
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Location: Downingtown, PennsylvaniaDate: 2012-12-13black fruit and foliage
By ILPARW
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Location: Downingtown, PennsylvaniaDate: 2012-12-13close-up of black fruit
By ILPARW
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Location: Downingtown, PennsylvaniaDate: 2016-06-06white waxy female flowers
By ILPARW
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Location: Downingtown, PennsylvaniaDate: 2015-11-26a line border at a park
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Location: Rehoboth Beach, DelawareDate: 2012-01-28a line planted in a parking lot island
By ILPARW
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Location: Downingtown, PennsylvaniaDate: 2011-01-01two shrubs together in a berme
By ILPARW
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Location: Exton (Lionville), PennsylvaniaDate: 2019-02-08a line of shrubs near parking lot
By ILPARW
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Location: Exton (Lionville), PennsylvaniaDate: 2019-02-08a group behind a bench at shopping center
By ILPARW
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Location: Downingtown, PennsylvaniaDate: 2019-06-05female flowers and leaves
By ILPARW
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Location: Downingtown, PennsylvaniaDate: 2019-06-05close-up of female flowers with green pistil in center
By ILPARW
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Comments:
Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Dec 19, 2017 4:53 PM

This is the most common cultivar that I have seen in the Mid-Atlantic region, especially in southeast Pennsylvania, Delaware, and Maryland. It has shiny, emerald green leaves that are a little smaller and more narrow, less rounded than the mother species. This cultivar I have always seen as a female one, bearing at least some black berries. It grows somewhat upright and can be bushy or a kind of nice see-through plant that has a nice leggy character. Like the mother species it is soft and easy to prune and work with, and easy to transplant.

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