Is there any hope for my fothergilla (witch-alder) plant?

The fothergilla plant had all the leaves fall off, but it has buds. Give the plant a chance and see if it will leaf out in the spring.

Related Videos:
How to Tell if a Plant is Dead if There are No Leaves
What to Do with Dead Plants

Related Resources:
Fothergilla—A Four Season Shrub to Consider for Your Garden
Fothergilla latifolia: Large Fothergilla, Large Witch-alder