Tree Form Viburnum - Web the snowball viburnum tree (viburnum opulus ‘roseum’) is a stunning, upright take on the classic flowering bush! Dig a hole that is slightly wider and deeper than the root ball of the tree form. Web doublefile viburnum tree form prefers slightly acidic soil with a ph range of 5.5 to 6.5.
Web doublefile viburnum tree form prefers slightly acidic soil with a ph range of 5.5 to 6.5. Dig a hole that is slightly wider and deeper than the root ball of the tree form. Web the snowball viburnum tree (viburnum opulus ‘roseum’) is a stunning, upright take on the classic flowering bush!