Trim the leaves back by half and remove a ½ ... Poison Control notes that “Serious poisoning is unlikely when small pieces of azalea or rhododendron are swallowed. But swallowing large amounts ...

Otherwise, rhododendrons require very little pruning unless branches are dead or injured. If you have older shrubs that have grown spindly, you can rejuvenate them by heavy pruning. The best time to ...