Protected Series:
Zone: 4
SHAMROCK INKBERRY
Ilex glabra 'Shamrock' is commonly referred to as Shamrock Inkberry Holly. It is a small, slow-growing evergreen shrub that only gets 3-4 feet tall and wide. It features glossy, deep evergreen foliage with abundant greenish-white flowers in early summer. Flowers are followed by black fruit in fall that persist through winter attracting birds and other wildlife. This female cultivar will need a male pollinator such as Ilex glabra 'Pretty Boy' to produce its black berries.
Shamrock Inkberry Holly thrives in full sun to partial shade in rich, acidic, evenly moist, well-drained soils. It can tolerate boggy conditions. It will not tolerate soils that are neutral or alkaline. Shamrock is ideal for areas that tend to hold moisture such as bog gardens or along ponds or streams.
| PLANT | SIZE | TYPE | GALENA | ADD'L | DIG | SOON |
| ILEX GLABRA SHAMROCK | con 3 | 12-15 in | 1 | 0 | 0 | 0 |
| ILEX GLABRA SHAMROCK | con 3 | 15-18 in | 0 | 0 | 0 | 350 |
| ILEX GLABRA SHAMROCK | con 3 | 18-24 in | 49 | 0 | 0 | 0 |
| ILEX GLABRA SHAMROCK | con 7 | 13 | 0 | 0 | 0 |
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To help this plant settle in and thrive, we recommend these standard planting practices: Plant in fertile, acidic, and well-draining soil, selecting a location that ranges from full sun to partial shade depending on the specific cultivar. These versatile shrubs generally prefer consistent moisture, especially during the first growing season to establish strong root systems, and they benefit from protection against harsh, drying winds. Prune in late winter or early spring to remove dead wood or to shape the plant, which encourages dense, healthy foliage and helps maintain a manageable size. Apply a layer of organic mulch around the root zone to conserve moisture and maintain soil acidity, taking care to keep the material a few inches away from the crown to prevent stem rot.
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