What Are the Pruning Groups

Pruning group 1: Light pruning. … Pruning group 2: Early-flowering shrubs. … Pruning group 3: Shrubs which shoot from the base. … Pruning group 4: Summer-flowering shrubs (Hydrangea) … Pruning group 5: Deciduous winter and early spring-flowering shrubs. … Pruning group 6: Summer or autumn-flowering shrubs.

How many pruning groups are there?

The RHS divides pruning of climbers and wall-trained shrubs further into three groups: Group 11: Vigorous climbers: Prune back stems exceeding allocated space when necessary, after flowering. Group 12: Less vigorous climbers: Trim sideshoots to within three or four buds of the main framework.

What is pruning Group b1?

Pruning Group ‘B’ Nelly Moser is an old fashioned variety with large bi-colour blooms. It blooms in spring and fall on growth from previous season (Group B). Members of this group bloom on both current and old growth from summer to fall, either in two showings or one continuous one.