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About Ilex opaca (American holly)

Ilex opaca a broad, upright-spreading, an upright, pyramidal, evergreen tree that slowly matures to 15-30' in cultivation, but may reach 50' tall in the wild. Thick, leathery, deep green leaves (2-4" long) have spiny marginal teeth. Species is dioecious (male and female flowers are on separate trees). Greenish-white flowers bloom May-June (male flowers in 3-12 flowered clusters and female flowers solitary or in 2s or 3s). Bright red or orange fruits (drupes to 1/4- 1/2" diameter) ripen in fall on pollinated female trees, and persist on the tree through winter. Aquifoliaceae