Divide the clumps every few years to keep them vigorous and flowering well.” The RHS advises checking for viburnum beetle in May for any larvae that have appeared in spring. It explains: “Viburnum ...

Divide the clumps every few years to keep them vigorous and flowering well.” The RHS advises checking for viburnum beetle in May for any larvae that have appeared in spring. It explains: “Viburnum ...

Divide the clumps every few years to keep them vigorous and flowering well.” The RHS advises checking for viburnum beetle in May for any larvae that have appeared in spring. It explains ...