The Altaclere holly (Ilex x altaclerensis) is tops in the holly tree world. English holly trees are handsome but easily hurt in winter weather. Altaclere holly trees are sturdy and have the shiny leaves of the English holly. The Altaclere holly can grow to 30 feet tall.
About the Author
Caroline West is a garden writer specializing in organic gardening, bulbs, and landscape design. When she's not tending her drought-tolerant, deer-resistant garden, she writes about gardening for online magazines and her local newspaper. West is also working toward a certificate in horticulture.