Rhododendrons are extremely resilient plants, and your rhododendron will survive and grow back, but don’t … They grew nicely, and with a little new growth pinching ended up as compact, full plants in 2-3 years. February: Start seeds of annuals indoors for transplanting in spring. There are a number of things home gardeners can do to keep rhodies and azaleas long-lived and healthy, according to Jan McNeilan, retired horticulturist with Oregon State University Extension Service. You should do this if you want your rhododendron to grow larger or taller. AURORA - Rhododendrons and azaleas herald spring in Oregon. When to Prune Rhododendrons Generally you will want to prune rhododendrons right after the plant is through flowering. And spring is a good time to give these beautiful shrubs the care they deserve. Rhododendrons (Rhododendron spp.) Rhododendrons & Severe Pruning. Pruning Rhododendrons Rhododendrons can be pruned as much or as little as you like. January: Order seeds for starting indoors in a few weeks or outdoors in a few months. The how to prune and when to prune are more important than how much to prune, when it comes to Rhododendron Plants. Order pick-up available from 9am-6pm daily. Light pruning and shaping should be done every year at the time you remove the old flowers. Pruning to facilitate moving. I have cut rhodies almost to leafless stumps at that time, cutting above a plump dormant bud on each limb. Most pruning of large flowered Rhodys should be done in the early spring at blooming time. Sometimes large, long-established rhododendrons have to be moved. I've read that if you really want to downsize them, to do it 1/3 at a time. have an attractive, natural shape that may lead you to believe they don't need regular pruning. Talk to us. The first year, cut 1/3 of the rhodie way down. Prepare an indoor area for starting seeds. Prune before the blooming season to reduce the number of flowers. It is too early to prune hardy fuchsia, tender plants like escallonia, lavender and jasmine, and keep your clippers away from spring blooming rhodies, azaleas and camellias. You can tell us about news and ask us about our journalism by emailing newstips@heraldnet.com or by calling 425-339-3428.; If you have an … I agree with Paul, the best timing for a severe pruning is just as flowering finishes. The roots are cut back (pruned) with a sharp shovel, leaving a wide but shallow pad of roots and soil. You can prune in early spring or late winter to discourage your plant from producing as many flowers, and encourage it to put its energy into growing new branches and leaves. As dotty says, they do take pruning pretty well. This is a sizeable but relatively simple job. For best results, it should be done in the fall or in early spring before new growth begins. 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