Use clean cutters, and sterilize them as the work progresses, particularly after a cut in infected wood. Denatured alcohol is an effective sterilizing agent, as is rubbing alcohol or household bleach. Next year take out two or three more branches using the same process, spreading the Estimated Reading Time: 2 mins.
Grasp a group of stems with your hand and use your pruning shears to cut the branches 12 inches down from the tip of the stems. This type of cut is known as a heading cut. 6. Grasp another group. May 26, Watch Mike's helpful tips on pruning Azalea bushes! Hi Mike surprised to read your comments re rhodos I am in Ireland (not famous for its dry conditions) well I have a small lake with an island, composition of is all a very peaty base with a water table no more than max 20 inches below the surface I have a collection of various rhodos there for years some are up to ft tall I never prune Estimated Reading Time: 9 mins.
Oct 11, Never use electric hedge trimmers when pruning azaleas; flat-topping your azaleas by trimming only the ends of branches will result in dense twiggy growth with sparse foliage. Small hand pruners are fine for trimming pencil-width stems, but long-handled loppers are the tool of choice when cutting branches ½ inch to 1 ½ inches in shrubhauling.buzzted Reading Time: 2 mins.