This is a fast growing tree with exfoliating bark. Grows to 40' by 70' and is hardy in zones 4-8.
Betula nigra 'BNTMF' Dura Heat® River Birch
Superb heat tolerant selection with very dense canopy of dark olive green leaves; creamy-white exfoliating bark; butter-yellow fall foliage; leaf spot resistance greater than other river birches. Grows 40' to 60' and is hardy in zones 3-8.
Betula nigra Cully®
Cully® is an improvement on the classic Heritage® River Birch. It exhibits large dark green leaves with good yellow fall color and vigorous growth. Grows to 35' by 50' and is hardy in zones 4-8.