Prinicples of Pruning: Included Bark.

Heavy pruning in late winter or early spring will reduce or eliminate the flower display for 2 or 3 years.

Sep 25, Shrubs that Bloom on this Year's Growth Shrubs that bloom on current season’s growth, or that do not produce ornamental flowers, are best pruned in late winter to. Apr 20, DO Prune Flowering Shrubs at the Right Time of Year Spring-flowering shrubs, such as lilac and forsythia, develop buds that will display the following year during the Estimated Reading Time: 5 mins.

2-step pruning in spring/early summer or after bloom, remove old wood. Don’t shear.

Prune these shrubs in late winter or early spring before growth begins.

Trailing Rosemary Rosemarinus officinalis ‘Prostrata’ Early spring flowering. Light pruning after flowering in spring to control shape or cut back to woody stems to rejuvenate. Yellow Bells Orange Bells Tecoma stans Tecoma hybrid Spring to fall stumppruning.bar Size: 27KB.