Viburnum Shasta has dense, flat-topped flower clusters with fertile central and sterile outer white flowers. This shrub can--but often doesn’t--set fruit without a pollinator. It produces the heaviest crop of black fall berries with cross-pollination from a different tomentosum viburnum cultivar.
About this Author
A freelance writer, Judy Wolfe has owned Prose for the Pros, a freelance writing business, since 2006. She's been an inveterate traveler since 1961 and draws on her travel experiences to provide articles for such websites as Chincoteague Island Vacations and Berlin Dude. Wolfe holds a Bachelor of Arts in literature from California State University at Pomona.