Q: Our onetime sweet viburnum shrubs are now tree size. Could we cut about two to three feet off the top without harming the plants? A: Topping these shrubs won’t cause major harm and might make ...

When considering how to grow viburnum, plant care will be specific to each ... only gardeners living in colder zones could ...

Summersweet ( Clethra alnifolia) blooms in the late summer, says Irish-Hanson, but it's wise to plant it during the spring.