Trimming Rhododendrons In Fall. Rhododendrons rhododendron spp get pruned at different times of the year for different purposes. However any time between the first frost in fall and the last frost in spring while the sap is low will work.
Pruning your rhododendron for the wrong reasons at the wrong. Pruning of hardened wood can be done at any time except during periods of freezing weather. These plants should be pruned in late spring after they have flowered.
Remove crossing or crowded side branches back to a main branch.
Removal of spent flower heads is important for promoting next years bloom as well as a good overall shape. Rhododendrons rhododendron spp get pruned at different times of the year for different purposes. This is better than pruning right at the outline of the profile of the plant. Cutting off these dying sections helps to put the plant s energy back into the parts that are alive and thriving and will also clean up the.