



Holly Inkberry 'Shamrock'
Ilex glabra Shamrock
55 reviews
Holly Inkberry 'Shamrock'
Ilex glabra Shamrock
55 reviews
- Dense, compact evergreen shrub
- Tolerant of a variety of soil types
- Low maintenance and easy to grow
- Recommended by landscape designers for optimal fit in real yards
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Not just beautiful - intentionally selected by ShrubHub's 3D landscape design team to fit real-world spaces and maximize yard potential.
Why Holly Inkberry 'Shamrock'?
Holly Inkberry 'Shamrock' is a compact evergreen shrub with glossy green leaves that provide year-round interest. This cultivar features dense growth habit and an abundance of small black berries in fall and winter, attracting birds to the garden. 'Shamrock' is a low-maintenance plant that is drought-tolerant and deer-resistant, making it a great choice for a variety of landscape settings.
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Sunlight
Holly Inkberry 'Shamrock' requires full sun to partial shade for optimal growth and development. It is important to provide at least 4-6 hours of direct sunlight each day to ensure healthy foliage and abundant berries. Proper sunlight exposure will promote

Watering
Holly Inkberry 'Shamrock' requires regular watering, especially during the first growing season, to help establish a strong root system. It prefers consistently moist soil with good drainage. Avoid over-watering or allowing the soil to become too dry, as t

Fertilizing
Holly Inkberry 'Shamrock' requires a well-draining acidic soil and benefits from annual applications of a balanced slow-release fertilizer in early spring. Additionally, fertilizing with an acid-loving plant fertilizer in late fall can help promote healthy
Holly Inkberry 'Shamrock' (Ilex glabra Shamrock)
The Holly Inkberry 'Shamrock' is a compact evergreen shrub with glossy, dark green foliage. This ornamental shrub features dense growth and a rounded shape, making it an excellent choice as a foundation plant or hedge. The leaves are leathery and oval-shaped, adding texture and visual interest to the landscape.
In spring, small white flowers appear, followed by black, round berries in the fall that add a pop of color to the shrub. The berries are attractive to birds and wildlife, making this plant a great addition to a wildlife-friendly garden. 'Shamrock' is a female cultivar, so it will produce berries if planted near a male inkberry holly.
This holly inkberry is low-maintenance and easy to grow, thriving in full sun to part shade and well-drained, acidic soil. It is deer-resistant and drought-tolerant once established. Pruning can be done in late winter to early spring to maintain the desired shape and size of the shrub.
Whether used as a hedge, foundation planting, or massed together for a bold statement, the Holly Inkberry 'Shamrock' is a versatile and attractive addition to any garden or landscape.
Plant Information:
Botanical Name: | Ilex glabra Shamrock |
USDA Zones: | 4 - 9 |
Mature Height: | 5 ft |







Pollination Info
Pollination Information for Holly Inkberry 'Shamrock' (Ilex glabra Shamrock)
Holly Inkberry 'Shamrock' is a type of evergreen holly that produces small white flowers in the spring. These flowers are inconspicuous but are important for pollination to occur.
Pollination Process:
The flowers of the Holly Inkberry 'Shamrock' are typically pollinated by bees and other flying insects. These insects are attracted to the flowers by the sweet nectar they produce. As the insects move from flower to flower collecting nectar, they inadvertently transfer pollen between the flowers, leading to fertilization.
Male and Female Plants:
Holly Inkberry 'Shamrock' is a dioecious plant, meaning that it has separate male and female plants. In order for the female plants to produce berries, they must be pollinated by nearby male plants. It is important to have both male and female plants in close proximity to ensure successful pollination.
Effects of Lack of Pollination:
If Holly Inkberry 'Shamrock' is not properly pollinated, the female plants will not produce berries. This can have aesthetic and ecological consequences, as the berries are an important food source for birds and other wildlife.
FAQ
Holly Inkberry 'Shamrock' (Ilex glabra Shamrock) FAQ
Q: What is the mature size of the Holly Inkberry 'Shamrock'?
A: The Holly Inkberry 'Shamrock' typically grows to a height of 3-4 feet with a spread of 3-4 feet.
Q: What are the light requirements for the Holly Inkberry 'Shamrock'?
A: The Holly Inkberry 'Shamrock' prefers full sun to partial shade for optimal growth.
Q: What type of soil does the Holly Inkberry 'Shamrock' prefer?
A: This plant prefers moist, well-drained soil that is slightly acidic to neutral in pH.
Q: How often should I water the Holly Inkberry 'Shamrock'?
A: Water the plant regularly, especially during dry periods. Make sure the soil is consistently moist but not waterlogged.
Q: Does the Holly Inkberry 'Shamrock' require pruning?
A: This plant can be pruned to maintain its shape and size. Prune in late winter or early spring before new growth begins.
Q: Is the Holly Inkberry 'Shamrock' deer-resistant?
A: Yes, this plant is considered deer-resistant due to its thick, leathery leaves.
Q: Does the Holly Inkberry 'Shamrock' produce berries?
A: Yes, this plant produces small black berries in the fall that are attractive to birds.
Q: Can the Holly Inkberry 'Shamrock' be grown in containers?
A: Yes, this plant can be grown in containers as long as they are large enough to accommodate the root system.
Planting & Care
Planting & Care for Holly Inkberry 'Shamrock' (Ilex glabra Shamrock)
Planting: Plant Holly Inkberry 'Shamrock' in a location that receives full to partial sun. Make sure the soil is well-draining and slightly acidic. Dig a hole twice as wide as the root ball and not deeper than the root ball. Place the plant in the hole and backfill with soil, pressing firmly around the base. Water thoroughly after planting.
Watering: Keep the soil consistently moist, especially during the first year after planting. Water deeply once or twice a week, depending on weather conditions. Avoid overwatering to prevent root rot.
Fertilizing: Apply a balanced fertilizer in spring before new growth appears. Follow the recommended dosage on the fertilizer package. Repeat fertilization in mid-summer if needed.
Pruning: Prune holly inkberry 'Shamrock' in late winter to early spring to maintain its shape. Remove any dead, damaged, or crowded branches. You can also prune to encourage new growth and promote denser foliage.
Pests & Diseases: Keep an eye out for pests like aphids, spider mites, and scale insects. Treat any infestations promptly with insecticidal soap or neem oil. Monitor for diseases such as leaf spot and powdery mildew, and use fungicides as needed.
Winter Care: Apply a layer of mulch around the base of the plant in late fall to help insulate the roots during the winter months. Protect the plant from strong winds and heavy snowfall if possible.
With proper care and maintenance, your Holly Inkberry 'Shamrock' should thrive and provide beautiful foliage year-round.
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Customer Reviews
4.8 out of 5 based on 55 reviews
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