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  • Gem Box® Inkberry Holly

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Gem Box® Inkberry Holly

Ilex glabra 'Gem Box'

Gem Box Inkberry Holly features a dense, compact growth habit and rich evergreen foliage, making it perfect for formal hedges, borders, and foundation plantings. This deer-resistant, low-maintenance shrub thrives in full sun to partial shade, offering year-round beauty and resilience in a wide range of climates.

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Gem Box® Inkberry Holly for Sale Online

Gem Box Inkberry Holly (Ilex glabra 'Gem Box') is a versatile, compact evergreen shrub known for its dense, mounded shape and rich, dark green foliage that resembles boxwood. Growing up to 2 to 3 feet tall and wide, this low-maintenance shrub is perfect for creating neat, formal hedges, foundation plantings, or a standout accent in your garden. Unlike boxwood, Gem Box Inkberry Holly is highly resistant to common pests and diseases, making it a healthier and more resilient choice for landscaping. In spring, it produces small white flowers, followed by black berries that attract birds, adding seasonal interest to your outdoor space.

Thriving in full sun to partial shade, Gem Box Inkberry Holly adapts well to a variety of soil types, including moist and slightly acidic conditions. It is hardy in USDA zones 5-9, tolerating both cold and heat with ease, making it suitable for a wide range of climates. Once established, this shrub is also deer-resistant and drought-tolerant, making it a reliable, low-maintenance option for gardeners who want an attractive landscape without the constant upkeep. Its compact size and uniform growth habit make it an excellent choice for edging, low hedges, or even container plantings.

In addition to its aesthetic appeal, Gem Box Inkberry Holly requires minimal pruning to maintain its natural, rounded shape. Its evergreen nature ensures year-round beauty, providing a lush, green backdrop for your garden throughout every season. Whether you're looking to replace boxwood or add a structured, formal element to your landscape, Gem Box Inkberry Holly is the perfect solution. Its durability, easy care, and year-round visual appeal make it a favorite for both professional landscapers and home gardeners alike.


Growzone: 3-9 Gem Box® Inkberry Holly Hardiness Zone 3-9
Hardiness Zone: 5-9
Mature Height: 2 to 3 Feet
Mature width: 2 to 3 Feet
Classification: Broad leaved evergreen shrub
Sunlight: Full sun to Part Sun
Habit: Densely branched, Rounded
Foliage: Green
Flower Color: White
Pruning Season: Prune in late spring to maintain shape
Soil Condition: Any well drained soil
Water Require: Water well until established
Uses: Mixed border, foundations, privacy screen, or planted in mass

How to Care for Gem Box® Inkberry Holly

Be sure to read our planting instructions to ensure a healthy and happy Gem Box Inkberry Holly for years to come!

How Do I Plant Gem Box Inkberry Holly?

How Do I Plant Gem Box Inkberry Holly?

To plant Gem Box Inkberry Holly, choose a location that receives full sun to partial shade and has well-drained, slightly acidic soil. Begin by digging a hole that is twice as wide and just as deep as the root ball to give the roots plenty of space to establish. Place the plant in the hole with the top of the root ball level with or slightly above the surrounding soil, ensuring proper drainage. After positioning the plant, backfill the hole with the original soil, gently tamping it down to eliminate air pockets. Water thoroughly to help the roots settle and ensure good soil contact. For multiple Gem Box Inkberry Holly plants, space them about 2 to 3 feet apart to allow for their mature size and to create a dense, formal hedge or border. Once planted, add a layer of mulch around the base of the shrub to help retain moisture and regulate soil temperature, keeping it a few inches away from the stem to prevent rot. During the first growing season, water the plant regularly to establish a strong root system. After it’s established, Gem Box Inkberry Holly is drought-tolerant and requires minimal watering, making it an ideal choice for low-maintenance landscaping.

How Do I Water Gem Box Inkberry Holly?

How Do I Water Gem Box Inkberry Holly?

To properly water Gem Box Inkberry Holly, ensure consistent moisture, especially during the first growing season. Water the shrub deeply once or twice a week, focusing on the root zone to encourage strong root development. It's important to let the top few inches of soil dry out between waterings to prevent overwatering, as Gem Box Inkberry Holly prefers well-drained soil. Use a soaker hose or water at the base of the plant to avoid wetting the foliage, which can lead to fungal issues. Once established, Gem Box Inkberry Holly becomes more drought-tolerant and requires less frequent watering. Typically, watering every 7-10 days during dry periods should be sufficient. Always check the soil moisture before watering; if the top 2-3 inches are dry, it’s time to water. Adding a layer of mulch around the base of the shrub helps retain soil moisture and reduces the need for frequent watering. Proper watering ensures that your Gem Box Inkberry Holly maintains its lush, dense foliage and thrives year-round with minimal maintenance.

How should I Fertilize Gem Box Inkberry Holly?

How should I Fertilize Gem Box Inkberry Holly?

To fertilize Gem Box Inkberry Holly, apply a balanced, slow-release fertilizer, such as a 10-10-10 or 12-12-12 formula, in early spring before new growth begins. Spread the fertilizer evenly around the base of the shrub, keeping it a few inches away from the trunk to prevent root burn. After applying the fertilizer, water thoroughly to help the nutrients penetrate the soil and reach the roots. Gem Box Inkberry Holly benefits from one application of fertilizer per year to maintain healthy growth and vibrant, evergreen foliage. For gardeners who prefer an organic approach, compost or well-rotted manure can also be used to feed Gem Box Inkberry Holly. Simply apply a 2-3 inch layer of compost around the base of the shrub in early spring, gently working it into the soil. Be careful not to over-fertilize, as this can lead to excessive foliage growth at the expense of root development. Proper fertilization encourages dense, lush growth and helps keep your Gem Box Inkberry Holly healthy, providing a long-lasting, low-maintenance evergreen hedge or accent in your landscape.

How and When Should I Prune Gem Box Inkberry Holly?

How and When Should I Prune Gem Box Inkberry Holly?

Pruning Gem Box Inkberry Holly is best done in late winter to early spring, just before new growth starts. This timing allows you to shape the shrub and promote healthy growth throughout the season. Begin by removing any dead, damaged, or diseased branches to improve air circulation and overall plant health. You can also lightly trim the outer branches to maintain the compact, rounded shape that makes Gem Box Inkberry Holly so desirable in formal hedges and borders. Use sharp, clean pruning shears and cut just above a leaf node or lateral branch to encourage dense growth. For more extensive pruning, you can perform a deeper cut every few years to rejuvenate older shrubs and encourage fresh, vigorous growth. Avoid pruning in late summer or fall, as this may stimulate new growth that could be damaged by early frosts. Gem Box Inkberry Holly typically requires minimal pruning to keep its naturally tidy form, making it a low-maintenance option for any landscape. Regular light pruning will help the shrub maintain its dense, evergreen foliage and enhance its year-round visual appeal in your garden.


Frequently Asked questions

How fast does Gem Box Inkberry Holly Grow?

Is Gem Box Inkberry Holly Evergreen?

Is Gem Box Inkberry Holly a native Cultivar?

Is Gem Box Inkberry Holly a Good Substitute for Boxwoods?

Can Gem Box Inkberry Holly be Grown in Pots?

What is the Best way to Plant and Maintain a Gem Box Inkberry Hedge?


General questions

What do the pot sizes mean?


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