Ilex decidua (meadow holly, also called "possumhaw", "deciduous holly" or "swamp holly") is a species of holly native to the United States. Possumhaw is a deciduous holly native to the Southeast and extending west to northwestern Mexico. It can be found on limestone glades and bluffs, along streams in wet woods, and in lowland valleys, sloughs and swamps. · What is a possumhaw holly? This deciduous holly is native to North America. Click this article for more possumhaw hollyinformation. We'll give you some tips about how to grow possumhaw hollies and possumhaw holly care. View all Ilex decidua is a Missouri native, deciduous holly that is commonly called possumhaw. It occurs on limestone glades and bluffs, along streams in wet woods, and in lowland valleys, sloughs and swamps. Possumhaw holly (Ilex decidua) is a native deciduous, medium-sized shrub that can be trained into a small, multi-trunked tree. Covered with striking red berries all winter, possumhaw holly brings beauty to what might otherwise be a colorless winter landscape. Ilex decidua (meadow holly, also called "possumhaw", "deciduous holly" or "swamp holly") is a species of holly native to the United States. · The Possumhaw Holly typically blooms with small white flowers in the spring around May and June. Proper care for the Possumhaw Holly includes a full sun to part shade environment and well-drained soil. Possumhaw gets the "haw" part of its name from the reddish fruits that can be mistaken for hawthorn fruits, and the "possum" part because they are a favorite food source for that peculiar animal. Possumhaw holly (Ilex decidua) is a native deciduous, medium-sized shrub that can be trained into a small, multi-trunked tree. Covered with striking red berries all winter, possumhaw holly brings beauty to what might otherwise be a colorless winter landscape. · The Possumhaw Holly typically blooms with small white flowers in the spring around May and June. Proper care for the Possumhaw Holly includes a full sun to part shade environment and well-drained soil. Ilex decidua is a Missouri native, deciduous holly that is commonly called possumhaw. It occurs on limestone glades and bluffs, along streams in wet woods, and in lowland valleys, sloughs and swamps. Possumhaw gets the "haw" part of its name from the reddish fruits that can be mistaken for hawthorn fruits, and the "possum" part because they are a favorite food source for that peculiar animal.