Any terminal with a flower bud will, of course, be self pruning. You can cut flowers off your rhododendron in the middle of spring when they are at their peak to get a beautiful bouquet of flowers. So, these materials are no longer recommended for use in edible gardens. Are these plants hardy enough to survive pruning so soon after being planted, and in the hottest part of the summer? We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. ", Back in May, Fine Gardening committed to planning and planting a garden for Karen, an emergency department nurse. Some healthy rhododendrons can even be cut down to 6 inches (15 cm) above the ground, but it’s recommended that you try 2 feet (0.61 m) first to see if your plant will survive. Each of these primary branches should be cut at a different height to produce a more natural-looking shrub. Currently closed for the season. 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. All three of these pruning methods are easy to do and result in a healthier and more attractive shrub. My easternmost hedge I planted within a couple of feet from a “good neighbor” fence that allows sunlight to pass through. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Mulch is also important to acid loving plants. This image may not be used by other entities without the express written consent of wikiHow, Inc.

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\u00a9 2020 wikiHow, Inc. All rights reserved. If your flowers and flower stalks simply shrivel up and essentially disappear in the weeks after flowering, then your variety doesn’t set seed and doesn’t need to be deadheaded. These plants should be mulched at the base with 3-4″ of compost, bark or straw. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Don’t worry about making mistakes: Rhododendrons are very forgiving—even if you drop a tree on them. You should not use this method if your rhododendron is sick or especially old, because it is more likely to be shocked and not revive after such a harsh cut. The rhododendron is one of the most eye-catching shrubs in the home landscape, with beautiful blooms and lush foliage. Despite the common notion that rhododendrons can’t be pruned, these shrubs respond well to trimming. How to Prune an Old Leggy Rhododendron. Most likely, in your Northwest garden it will ultimately reach 20 x 20 feet. Not surprisingly, it dropped all its leaves. I have waited through this year's growing season, and no sign of life. Gardening Gift Ideas for the Holidays 2020, A Fool and His Garden | Letter from the Editor, Dahlias Don’t Ask Much | Letter from the Editor, It’s Just Business | Letter from the Editor, Natural Stone and Ground Covers Are a Great Combination. Pruned at this time, the plant has plenty of time to develop new wood; this growth will become next year's old growth, which will produce the spring flowers. – Clatsop County, A: It definitely can be difficult to make a decision about what materials to use to frame a raised bed. They stand at about 8 to 9 feet at present. Since buds form on next year’s flowers, by the time blooming has stopped, they are already well advanced. We use cookies to make wikiHow great. If you cut your plant and the cut branches get frozen, the severe cold may damage or shock the plant. Subscribe to newsletters from The Oregonian/OregonLive, including Homes & Gardens emailed to you every Friday. This image may not be used by other entities without the express written consent of wikiHow, Inc.

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\u00a9 2020 wikiHow, Inc. All rights reserved. According to most professional landscapers, the ideal time for pruning rhododendrons is late winter, while the plant is dormant. % of people told us that this article helped them. wikiHow's. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. They were recovering and sending out leaves and a few flowers, and I transplanted one at exactly the wrong time of year (summer). I want to keep my plants low, should I pinch back the new growth? I don't think i would both seriously prune and move the plant(s) in the same season. What should I use? The trusses are not only unsightly but will eventually form seed, which uses precious energy that would otherwise be available to the plant for vegetative growth. Snip at the base of the old flower trusses to keep the plant’s energy focused on producing growth rather than seed. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. How did the stumpy one turn out? The result is a shrub with dense branching, plentiful foliage, and abundant flowers. I'm about to trim a neighbor's rhodies and I wanted to be sure that I did a good job, so I'll be sure to look out for some good candidates for maintenance pruning. I now have landscape fabric over them and I am going to mulch right over it. This image may not be used by other entities without the express written consent of wikiHow, Inc.

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\u00a9 2020 wikiHow, Inc. All rights reserved. Rhododendrons are known for their beautiful flowers, so you may want to see your plant with its flowers before you decide to take some away. How do I know if they are alive or not? It missed the house by a wide margin, but it didn’t miss the rock garden, which I had lovingly tended for years. Spent flower heads should be taken back to a side branch. - Linn County A: You can prune your rhododendrons anytime. Conversely, topiary and other more formal shaping techniques prune a plant into a shape it would not naturally assume.

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