Alphabetical Plant Listing

Ilex glabra 'Shamrock' (Inkberry)

Inkberry 'Shamrock', Gallberry 'Shamrock', Bitter Gallberry 'Shamrock', Evergreen Winterberry 'Shamrock', Inkberry Holly 'Shamrock', Appalachian Tea 'Shamrock'


Ilex glabra 'Shamrock' (Inkberry) is an evergreen, stoloniferous shrub of compact, rounded habit with a slender foliage of thick, spineless, dark green leaves. In late spring to early summer, it produces abundant small greenish-white flowers that are followed by a profusion of dark blue-black berries in fall. Particularly attractive, they enliven the winter landscape and often persist through the winter unless eaten by birds. 'Shamrock' is a female plant and needs a male pollinator to produce the attractive blue berries. Its modest size makes it ideal for small gardens

  • Slow growing, this evergreen shrub grows up to 3-4 ft. tall and wide (90-120 cm). Remove root suckers regularly if colonial spread is not desired.
  • A full sun to part shade lover, this plant is best grown in average, medium to wet, well-drained, acidic soils. Tolerates poorly drained soils as well as wet boggy conditions. Does poorly in neutral to alkaline soils and often dies.
  • Generally pest and disease free. Deer and rabbit resistant.
  • Mass in mixed shrub borders. Perfect for hedges or for foundation plantings. Excellent shrub for wet soils and along streams or ponds.
  • Prune to shape in early spring just before new growth begins.
  • Native to North America.

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Requirements

Hardiness 4 – 9
Heat Zones 3 – 9
Climate Zones 2, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Shrubs
Plant Family Ilex - Hollies
Exposure Full Sun, Partial Sun
Season of Interest Spring (Early,Mid,Late)
Summer (Early,Mid,Late)
Fall
Winter
Height 3' – 4' (90cm – 120cm)
Spread 3' – 4' (90cm – 120cm)
Spacing 36" – 48" (90cm – 120cm)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Poorly Drained
Characteristics Showy, Evergreen
Tolerance Clay Soil, Deer, Rabbit, Wet Soil
Attracts Birds
Garden Uses Banks and Slopes, Beds and Borders, Hedges and Screens, Ponds and Streams, Small Gardens
Garden Styles Informal and Cottage

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Photo Courtesy of Bailey Nurseries Inc

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 4 – 9
Heat Zones 3 – 9
Climate Zones 2, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Shrubs
Plant Family Ilex - Hollies
Exposure Full Sun, Partial Sun
Season of Interest Spring (Early,Mid,Late)
Summer (Early,Mid,Late)
Fall
Winter
Height 3' – 4' (90cm – 120cm)
Spread 3' – 4' (90cm – 120cm)
Spacing 36" – 48" (90cm – 120cm)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Poorly Drained
Characteristics Showy, Evergreen
Tolerance Clay Soil, Deer, Rabbit, Wet Soil
Attracts Birds
Garden Uses Banks and Slopes, Beds and Borders, Hedges and Screens, Ponds and Streams, Small Gardens
Garden Styles Informal and Cottage

Great Plant Combination Ideas with Ilex - Hollies

Guides with Ilex - Hollies

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