Sweet Birch Betula lenta - is an attractive tree for lawns and naturalized areas, with shiny, red-brown bark and yellow fall foliage. Native to the eastern United States, the tree also attracts butterflies and serves as a caterpillar/larval host for Mourning Cloak and Eastern Tiger Swallowtail butterflies, and many more. Sweet Birch shows some resistance to bronze birch borer. Plant in full to part sun. Grows 60 – 70 ft in height.  Wintergreen Oil is derived from Sweet Birch.