Strongbox® Inkberry Holly (Ilex glabra)

For those seeking the refined look of boxwood with the added benefits of a native, disease-resistant plant, Strongbox® Inkberry Holly is the answer. This compact evergreen forms a naturally squat, rounded shape with dense branching that extends right to the ground, offering year-round structure and lush texture.

Its deep green foliage remains vibrant throughout the seasons, providing a polished, low-maintenance option for hedges, borders, and foundation plantings. As a North American native, Strongbox® is exceptionally adaptable and resilient—thriving in a variety of soil conditions while supporting local ecosystems.
Durable, handsome, and versatile, Strongbox® delivers the timeless appeal of boxwood with improved performance and ecological value.

• 2-3 feet tall and wide at maturity
• Hardy in zones 5-9, be sure to check your USDA zone to ensure success
• Plant in part to full sun (4+ hours daily)
• Space plants 2-3 feet apart for best results
• Maintains glossy dark green foliage year-round
• Blooms on old wood
• Resists deer
• Great for borders, containers, hedges, edges, landscapes, mass planting or as a focal point
• Native to North America, fall and winter interest, salt tolerant, foliage interest

Care: Fertilize with Proven Winners Continuous Release Plant Food in spring and mid summer. Little to no pruning is needed. If you wish to trim or prune it, do so in mid-late spring, after the new growth has emerged.

Pollination: This is a female variety. Plant near a male variety like Squeeze Box® if you want berries.

Shipping Info:

• Enjoy free shipping on orders over $125
• Size at shipping varies by the season and plant
• Quart shrubs are 5-8" tall at shipment
• 1-Gallon shrubs are 6-24" tall at shipment
• Shrubs ship dormant November through April

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