As a protection, spray weekly during summer with Eco-Neem. Pruning Azaleas is only required to remove dead or damaged wood and maintain shape, in most years azaleas require little or no pruning at all. Pruning should be done immediately after flowering ceases. Be sure to watch new growth for lace bug damage. But in warm subtropical areas these are not set-and-forget plants. All varieties should be named and carry identifying labels. Don’t wait too long to prune, as pruning close to blooming time will reduce the number of flowers. Azaleas are hardy in U.S. Department of Agriculture zones 5 through 10, depending on the cultivar. Showy clusters of flowers adorn azaleas in spring, summer or fall. 3.4 Hard pruning azaleas. In old azaleas, where size has become uncontrollable and annoying, hard pruning may be necessary. This regime works well to keep the plants bushy. How to: care for azaleas Photo - Vera Zinkova/Shutterstock.com Azaleas bring in spring with a blaze of glory. We love them in hot pinks and bold magentas, in pale pastels and in pure clean white. If you wait to prune until the fall, you risk removing flower buds, as azaleas form buds on old wood rather than new plant growth. The proper time to prune these vibrant plants is within three weeks of their major bloom, which occurs in the spring. Pruning. ... Australia Ph: 1300 133 100 Fax: (02) 9484 5111 In Japan azaleas are pruned straight after flowering and then once or twice during the leaf growth period. How to Prune Azaleas. Azaleas have a shallow root system and should not be over-fed. Can You Prune Them? It is a very simple pruning, it will only consist of cutting each branch until leaving it about 6 inches from the ground. Pruning Azaleas helps to give a more compact appearance to the plant and it promotes bushier growth. If they are carefully selected, carefully sited, carefully planted, and properly tended, there is usually little need to prune them in the informal garden. Azalea pruning. Mulching with about a 5cm layer of Organic Planting Compost or Mulch is very beneficial as Azaleas do enjoy a cool root system. The absolute latest time to prune is the end of June. The best time to prune is just after flowering when the plants are in active growth, usually in late spring to early summer. Further information. To get the most from them gardeners need to pay attention and provide some nurture. Deadhead azaleas regularly to keep the plants neat and promote continued flowering. Certainly, but it is not normally needed. If you wish to shape them or trim back an untidy shoot, then after flowering is the time. ; Try to make all your cuts at a point where the … Do not worry about performing this drastic pruning, the azaleas recover perfectly. How to Prune Overgrown Azaleas. Prune your azalea immediately after flowering if the plant looks straggly, or if a trim is needed to maintain the desired size and shape. Azaleas are widely available at nurseries and in chain-stores, particularly in spring. Here are a few quick & dirty tips on how to prune azaleas: Decide how high and how wide you want your shrub to be and then reach into the interior of your azalea and cut stems at varying heights. Remove long stray shoots by reaching down into the plant and making cuts next to larger woody branches. Trimming back the branches after flowering has fizzled out, this will ensure beautiful blooms in the following spring. For more information on growing azaleas in Australia, consult Growing Azaleas by Allan Evans (Kangaroo Press, 1994, rrp $16.95). Many evergreen azaleas never experience the pruning shears, since, for the most part, these plants are naturally well behaved. Try to avoid pruning … How to Prune Azaleas In most landscapes, azaleas look best when minimally pruned, allowing them to retain their naturally graceful form. 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