Fothergilla major (large witch alder, mountain witch alder) is a species of flowering plant in the genus Fothergilla, family Hamamelidaceae, that is native to woodland and swamps in the Allegheny Mountains of southeastern United States. It is a deciduous shrub growing to 2.5 m (8 ft 2 in) with fragrant white bottlebrush flowers appearing along with, or before, the glossy leaves. The leaves often turn brilliant shades of red and orange in autumn.
This plant is named for John Fothergill (physician). The Latin specific epithet major means "larger". It has gained the Royal Horticultural Society's Award of Garden Merit.