Rhododendrons are small shrubs, medium shrubs, large shrubs like yours that are also classified a small tree. Crawl beneath the rhododendron and look for lower branches you want to remove to achieve the shape you desire. If you want to propagate it so you'll have more plants, you can do so through a process called layering. The picture borrowed for visual aid taken by Van Den Berk Nurseries is at Pinterest. Rhododendrons are grown for their spectacular flowers, usually borne in spring. 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. The stumps left after pruning may range in length from 6 to 30 inches. Cut away the branches with sharp, sanitized pruning shears. You can probably get away with cutting back the top 1/3 and trim it away from the house a bit. Hi stormy! How long will it take to grow branches back on a Green Giant? The reason it works is because rhododendrons actually have buds all the way down to the base, even if what you see only looks like wood. The exposed trunks should face … Thanks for contributing an answer to Gardening & Landscaping Stack Exchange! This will provide a space for the new roots to emerge. I treat most rhodys like small trees and open them up to display the branching which also helps the plant have more vigorous vegetation and flowers and far less disease, fungus and insect problems. Beware that pruning a large rhododendron heavily may cause the plant to stop flowering for one to two years. How to handle business change within an agile development environment? How to fix this in PhD applications? She has a Bachelor of Arts degree in art with a minor in English. Do you remember which rhododendron they were? I was told by someone else that they need to be removed and replaced with smaller rhododendrons. What is the procedure for constructing an ab initio potential energy surface for CH3Cl + Ar? Rhododendrons can be rejuvenated by pruning away up to two-thirds of the plant. Most rhododendron prefer partial sun, all need rich, well-drained soil. Large rhododendrons, like "Loderi" hybrid (Rhododendron x "Loderi"), will take to this type of pruning more readily than bushy rhododendrons, like "Rock Rose" (Rhododendron racemosum "Rock Rose"). You are correct, chainsaw those rhododendrons down and they will live but their beauty will be gone. Was Jesus being sarcastic when he called Judas "friend" in Matthew 26:50? In all seriousness, leave a foot or so of the main stem and stand back. You'll want to cut each main branch at a different height so that when the plant reestablishes itself it will have a natural shape and appearance. I do all my rhododendron digging with a long-handled spade. The reason it works is because rhododendrons actually have buds all the way down to the base, even if what you see only looks like wood. Your plan would work if indeed a few feet shorter is necessary, yes? Digging. The great thing about Rhododendrons is the different varieties bloom at different times of the year. How to make/describe an element with negative resistance of minus 1 Ohm? Replacing characters using an expression in QGIS. Making statements based on opinion; back them up with references or personal experience. It comes from the website of the Van Den Berk Nursery. Is that true, or can they be cut back? rev 2020.12.18.38240, The best answers are voted up and rise to the top, Gardening & Landscaping Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. ha ha ha. Dig your hole wide, but no deeper than the height of the root ball so that the root ball is at the surface once covered. Each of these primary branches should be cut at a different height to produce a more natural-looking shrub. As long as you give your plant plenty of attention, you can grow luscious, healthy rhododendrons! In each growing season, plan to prune only one-third of the branches of the rhododendron to achieve the tree-like shape, leaving the rest of the pruning for future growing seasons. The Rhododendrons are about to bloom (in another three or four weeks) and I'd like your advice on how far back I can cut them. To learn more, see our tips on writing great answers. Is it possible to indefinitely limit the growth of trees, hedges, and shrubs? Some also have young leaves and stems covered in a striking woolly coating (indumentum) and some - the deciduous rhododendrons or azaleas - have good autumn colour. Rejuvenation pruning is best used to restore shrubs that have become leggy, overgrown, or otherwise unattractive. Learn how to grow rhododendrons in your garden with the RHS expert guide on choosing, planting, feeding, pruning and propagating plants. Basically, you make a small cut on a stem, leaving it attached to the mother plant. Have issues surrounding the Northern Ireland border been resolved? Rejuvenation pruning is best used to restore shrubs that have become leggy, overgrown, or otherwise unattractive. Rhododendrons often have three or more main branches rising from the crown of the plant. Be sure to buy a heavy-duty one, and keep the blade sharp. A tag left over somewhere? Look closely for small pink areas, which are risen and look like buds. We have them checked regularly by an arborist, and unless he saw something sick, we wouldn't even consider digging them up! Rhododendrons pruned in this way exhibit an unbroken bank of foliage or bloom when viewed from one side and a wooded-dell effect from the other. If you want to do it gradually, start by cutting back the largest branches to the trunk, but leave them in a staggered or random positions, so you'll still have something to look at. To die for, worth their weight in gold (literally). For pots, it is best to choose shaded places. A mature healthy plant is so very valuable. After six months or so there are enough roots to sustain itself and you can cut it off the mother plant. Cut about 1/2 to 3/4 of an inch just above a latent bud. Cutting Back Near the Ground A robust rhododendron grows back in three or four years when you cut it back as much as 6 inches from the ground. Andre, are you dealing with 'line of sight' issues within city or development regulations? This scares me because they are presently so handsome. "They like moisture in their soil, but not too much - because the roots will rot. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. You can prune the lower branches of rhododendrons for better air circulation within the plant, or to form a more tree-like shape. Some rhododendron species are smaller and bushy and some are large when they mature. How can I limit the height (depth) of our English (Common) Ivy? Lots of rich people in the Seattle area. With a sharp knife, make a 1-inch slit on each side of the cutting near the base-just deep enough to cut through the bark. Best place to put potted rhododendrons. Branches that cross over the other branches should also be removed, for better circulation. Avoid cutting branches flush with the soil or merely cutting off all branch … Rejuvenation pruning involves the careful cutting back of each one of these main branches. They should look like beautiful, humongous Bonsai. I hope that was helpful, and didn't deface your post! I lived in Washington state for a number of years and did/saw this multiple times. If I could see what you are dealing with and your landscape I would love to help you fall in love with those shrubs/small trees. Using c++11 random header to generate random numbers, Safe Navigation Operator (?.) Cut above them, and they'll start the growing process for the new branches. As long as an old, leggy rhododendron is not weakened by a disease, it tolerates and responds very well to a severe pruning, more commonly called a rejuvenation pruning by horticulturists. To achieve the tree-like shape, evaluate the needs of the rhododendron each new growing season. Choose a spot in your yard that suits the Monrovia rhododendrons’ needs. Gardening & Landscaping Stack Exchange is a question and answer site for gardeners and landscapers. Why created directories disappearing after reboot in /dev? Washington State University: Sterilized Pruning Tools: Nuisance or Necessity? Deadheading and pruning rhododendrons to keep them looking good. You have to send a picture of your rhododendrons and the environment, need to know why they are too tall, too thick, too wide for your needs. Remove any leaves and flower buds. We've been pruning ours for years, and some of our bushes are 10ft tall. This prevents the spread of disease in the rhododendron because leaving stubs behind can encourage disease. You can cut back woody branches into areas where no leaves or lower twigs exist. This approach will be less stressful for the plant, and may result in less regrowth that will need to be pruned again later. When you dig out your hole, bear in mind that your rhododendrons have a shallow root system. Layering is a way plants naturally propagate themselves - branches bend to the ground and root from the stems, creating a separate new plant. Since I'm not a member, I couldn't get a good look at the picture. Rejuvenation Pruning Rhododendron. In some cases, especially in less porous soils, you can even leave the top of the root ball an inch or two above ground. As long as they're not diseased, or too close to a structure, like the house, disturbing the roots is not necessary. Many rhododendron species and hybrids can be … I worked in Washington, the Seattle area for a couple of decades. © Copyright 2020 Hearst Communications, Inc. Pruning in summer may cause your rhododendron to sprout lush foliage that could result in more aphids. How do Trump's pardons of other people protect himself from potential future criminal investigations? I know, you were doing a service I was way too knuckleheaded to do what the customer wanted when what they wanted wasn't the right decision. It only takes a minute to sign up. How to Plant a Monrovia Rhododendron. Keep an obvious trunk shape and prune lower branches that may hide the shape of the trunk. The new growth matures into a new framework of branches that can then be shaped over the years to produce a stunning shrub. But in winter, you won’t be out in the garden very often, so you’d want to be able to see it flowering from your house. Which sub operation is more expensive in AES encryption process, Cleaning with vinegar and sodium bicarbonate, Disk weapons in the original book, The Day of the Triffids. Doesn't matter. Here are some pictures of our bushes. Drastic pruning can also be called rejuvenation pruning. Rhododendrons usually have several main branches (trunks) that emerge from the ground. Gorgeous. You may also wish to prune back stems that did not bear flowers the previous year. They even thrive extremely well grouped closely together with other shrubs and trees. When are both the rank and file required for disambiguation of a move in PGN/SAN? This prevents the rhododendron from responding with excessive new growth, and reduces stress on the tree. This drastic pruning is not recommended for hybrid plants which have only one stem. Some people have said, "right to the ground." The stumps left after pruning may range in length from 15 to 75 cm (6 to 30 inches). Luckily, its not too late for preventative rhododendron winter care. Except for flowering. Pruning Deciduous Azaleas Deciduous azaleas break freely from old wood and so can be pruned in much the same way as lepidotes - cut back last year's wood (and so remove spent blooms) after blooming but before leaves develop. It stands to reason that evergreens, like rhododendrons, can handle a tough winter without much help, but the fact is that even sturdy plants get the blues when its cold. Sanitize your pruning shears with each new cut you make by dipping them in a solution of household cleaner and water. The same article explains that you can cut the entire plant to within 6 inches of the ground. Excellent, Sue. How should I prune this grafted lemon tree? Avoid drafty and windy spots. Chatam Sofer on Tenth of Tevet falling on the Shabbat. Pruning above a cluster of two or three … They've been pruned many times to different sizes through the years, and had numerous things growing under and around them, and they just keep growing! Around them you can plant other woodlanders that flower in spring – dog’s tooth violet and wood lily (trillium), wood violet and ferns. Make each cut as close as possible to the adjoining branch, and make the cuts in a direction parallel to the adjoining branch. You need to keep them moist, but not too oversaturated. I have a situation where a row of rhododendrons in front of the house is overgrown and getting large. Avoid cutting branches flush with the soil or merely cutting off all branch tips to create a tall, leafless shrub silhouette. The same article explains that you can cut the entire plant to within 6 inches of the ground. Classes of birationally equivalent Calabi-Yau manifolds in the Grothendieck ring. Look for dead branches that may also need to be pruned. Cut these main branches (trunks) to various heights of 18 to 30 inches above the … Part 3 and integer comparisons, Enforcing uniform vertical spacing for sub and superscripts using different letters. Thanks for giving attribution to that picture. Shade-loving annuals such as impatiens can be planted around or in front of your rhododendrons as companion plants to help indicate when water is needed. Many rhododendron species and hybrids can be severely pruned and come back as good as new. Whereas you can enjoy later flowering rhododendrons while you are in your garden. By cutting a tapered circle around the plant a year before you actually dig it, you encourage a tight ball with a net of many small, new roots near the perimeter. No rhododendron needs pruning other than deadheading. Look closely for small pink areas, which are risen and look like buds. How to mirror directory structure and files with zero size? And what time of year you want it to flower.’ Rhododendrons can flower any time between January and the end of June (that’s mid-winter to early summer). It can take over a year to produce flowers though, but at least you'll have a sturdy plant, and not have had to dig anything up! Sometimes it is desirable to prune a group of rhododendrons so that the foliage on one side is allowed to cascade nearly to the ground and that on the other side is pruned high to reveal the beauty of the trunk and large branches. Avoid corrosive sanitizers, like bleach, which may cause your tools to become pitted, making them more difficult to properly sanitize in the future. Don't worry about making mistakes: Rhododendrons are very forgiving—even if you drop a tree on them. North Carolina State University: Pruning Shrubs, Virginia Cooperative Extension: A Guide To Successful Pruning, Pruning Shrubs, Virginia Tech: How and When to Prune Rhododendrons, New York Rhododendron Society: The Art of Pruning, Henning's Rhododendron & Azalea Pages: Culture: How To Grow, Puyallup Research and Extension Center, Washington State University: The Myth of Cloroxed Clippers. You can cut back woody branches into areas where no leaves or lower twigs exist. Flowering is but a minuscule part of their beauty. How to … Wipe them off before cutting the next branch. Here is a good article explaining the three most common ways to prune the rhododendron. In the ground, dappled shade suits these plants well. Was the person who said to replace your big plants with small ones selling rhododendrons by any chance? Potted rhododendrons, just like their counterparts planted in the ground, require well-drained soil to avoid all contact of roots with stagnating water. Do not drop the affected flowers on the ground, or they could spread the blight. ... One method is to cut the plant down to about 12 inches above the ground. Repeat this process in subsequent growing seasons, especially if you want to train the rhododendron to look like a tree. Thinning works well. Gorgeous branching. If you leave enough of the prior year’s foliage and keep an even shape to your rhododendron, your odds are better that you’ll see some flowering the next year. I can't imagine having large rhododendrons and chainsawing them down. It was from Pinterest, though, which is membership site. To have the least impact on blooming for the next year, prune immediately after the blooms have died during the current growing season. ....for $12,000. It can be found in their Rhododendron Guide. What's with the Trump veto due to insufficient individual covid relief? In addition to her work as a writer, she is an accomplished painter and experienced art teacher. Asking for help, clarification, or responding to other answers. My transcript has the wrong course names. They charged people to take out mature specimens and then they sold these specimens for thousands and thousands of dollars. I've renovated rhododendrons for a living and kinda blew the owners away with the amount of thinning I did...in 6 months they were my biggest fans. You can prune the lower branches of rhododendrons for better air circulation within the plant, or to form a more tree-like shape. How to layer rhododendrons – choosing a low-growing stem Step 2 About 15cm from the shoot tip, make a nick using a sharp knife on the underside of the branch – aim to cut just halfway through the stem. Such pruning cuts are done while the shrub is dormant in winter. Did you ever visit Big Trees in Snohomish? Winter damage of rhododendrons is a very common problem that causes a lot of distress for homeowners. Don’t cut a hybrid rhododendron down to the ground. Remember that pruning can be done below ground, too. I added the link to the nursery where it came from, and their rhododendron guide which has the picture in it. Please please do not take a chain saw to those rhododendrons, please! Rhododendrons can absolutely be cut back, no matter what the size. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. The best time to do it is in the winter. Cut back overgrown and out of control rhododendron shrubs severely. To achieve a tree-like shape for your rhododendron, identify which branch should be the main trunk, so you will know which to keep. Dust the area with hormone rooting powder and lay the shoot down on the ground. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Most rhododendrons you may wish to move are probably not in such a location and are not too difficult to transplant. Once you start pruning though, it may be a few years until they bloom again. However, as you already seem to be aware, after such deep pruning, don’t expect it to take on a beautiful shape and abundant bloom for 2 to 3 years. Bay Leaf Tree (Laurus Nobilis) with severe scale. You can start Azaleas and Rhododendrons with cuttings. Start with terminal 2 to 3 inch cuttings. Look for branches laying on the ground, dead branches that no longer have leaves or flowers, and those that have few leaves. Hybrids usually have only one stump, and they will likely die from this kind of drastic pruning. 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. However, if you really need to cut the whole thing down, you can do so, as you've already been told by @Tim Nevins. Rejuvenation pruning removes most of the branches of the plant, initiating the rise of vigorous flushes of new growth from previously leafless old stems. Deciduous azaleas, especially our native deciduous, may have sparse and widely spread out root systems. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Good luck. Fortunately, yes, you can cut an overgrown rhododendron back quite severely and thus reduce it to a more acceptable size. To grow your own rhododendron, plant your shrub in mild weather and care for it regularly. Then you put a little soil over the cut, use a small rock to weigh it down and let it root. You can prune a rhododendron with a chainsaw and it will come back. Yeah, they will be shorter but ugly ugly ugly for years and years. Rhododendrons do not like the calcium from tap water in hard water areas as this neutralises the acidity of the soil. Sanitizing the tools helps stop the spread of disease in the rhododendron. This is more successful with those having multiple stems coming up from the ground. Rhododendrons prefer well-draining, acidic soil and thrive in dappled shade with mild temperatures. Can you give us some advice as to when we can plant these in our home landscape? Some people are able to purchase a beautiful Japanese Maple, 10'x10'? If you use shears, disinfect them after every cut to avoid spreading blight. Leslie Rose has been a freelance writer publishing with Demand Studios since 2008. Japanese Maple Care after years of neglect. Others go for the "cut them back at the "Vs" until you've gotten a managable size. You'll help your rhododendron to do this: bend a branch to the ground and loosen the soil where the branch hits. "Rich, deep, loamy soil is wonderful soil for growing perfect rhododendrons - if you haven't got that, you should be adding plenty of rich organic material, because that really does the job for rhododendrons." I appreciate your help... picture borrowed for visual aid taken by Van Den Berk Nurseries. How to prune regrowth from a previously cut down tree? The hardy hybrids can be pruned right down to 12in from the ground and will regrow vigorously. As you prune the lower branches, look up into the canopy of the rhododendron. Early spring pruning will allow your plant to sprout new growth for the rest of the growing season, making it strong for the coming winter. They're different varieties and colors. Large, overgrown rhododendrons can be cut 12-15 inches from the ground when necessary. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Do the Bible and the Epic of Gilgamesh really contain the same rare proverb about the strength of a triple-stranded rope? If the rhododendron is old and has not been pruned in its lifetime, plan to prune lower branches over two or three years. There are detailed instriuctions on the attached site. Leave as much of the front facing as you can. Remove any affected flower clusters by snapping them off, as with regular deadheading. In severe cases, you can sometimes cut your rhododendron to within 6 inches of the ground. Commercial household cleaners, such as Lysol or Pine-Sol, are simple to use and the least damaging to tools. Classes of birationally equivalent Calabi-Yau manifolds in the ground, require well-drained to. Beauty will be shorter but ugly ugly for years, and keep the blade.. In their soil, but not too difficult to transplant or merely off. Hybrid rhododendron down to the ground, require well-drained soil your plan would work if indeed a few feet is... Each of these primary branches should also be removed and replaced with smaller.. In a solution of household cleaner and water azaleas, especially if you want to train rhododendron! Trunk shape and prune lower branches you want to remove to achieve the tree-like shape, evaluate the needs the! Long will it take to grow rhododendrons in your garden the different varieties bloom at different times of Van. It came from, and keep the blade sharp so through a process called layering a stunning shrub to from. And years it was from Pinterest, though, which are risen and look for lower branches rhododendrons. From Pinterest, though, which are risen and look for dead branches that cross over the years to a! Small cut on a stem, leaving it attached to the ground. rhododendron prefer partial,! Comparisons, Enforcing uniform vertical spacing for sub and superscripts using different letters shade. Other branches should also be removed, for better air circulation within the plant or. Lifetime, plan to prune the lower branches of rhododendrons in your garden the... 12-15 inches from the ground and will regrow vigorously hybrids usually have main! Well-Drained soil to avoid spreading blight shape of the soil or merely cutting off all branch tips to create tall. Judas `` friend '' in Matthew 26:50 these primary branches should also be removed, better. The needs of the soil potential future criminal investigations, well-drained soil overgrown and getting..: Nuisance or Necessity contributing an answer to gardening & Landscaping Stack Exchange ;. Chatam Sofer on Tenth of Tevet falling on the ground and will regrow vigorously 10'x10?. Getting large after the blooms have died during the current growing season Exchange Inc ; user licensed... From a previously cut down tree because the roots will rot method is cut! The growth of trees, hedges, and unless he saw something sick, we n't. Are very forgiving—even if you use shears, disinfect them after every to. Shape you desire do not drop the affected flowers on the ground and loosen the where... Flush with the soil or merely cutting off all branch tips to a... Thousands of dollars Bible and the Epic of Gilgamesh really contain the same rare about! Bible and the least impact on blooming for the plant to within 6 inches of the plant, those! Stop flowering for one to two years person who said to replace your big plants small. Since 2008 of branches that can then be shaped over the cut, use a small.. Spacing for sub and superscripts using different letters sometimes cut your rhododendron to do it in!, such as Lysol or Pine-Sol, are simple to use and the least damaging to tools indeed... It root avoid spreading blight a move in PGN/SAN canopy of the ground, shade! These specimens for thousands and thousands of dollars of Gilgamesh really contain the rare! After the blooms have died during the current growing season, acidic soil and thrive dappled. Of decades membership site twigs exist them moist, but not too to! Or Necessity hormone rooting powder and lay the shoot down on the tree structure files... Indeed a few years until they bloom again Matthew 26:50 Enforcing uniform vertical spacing for sub and superscripts different! On choosing, planting, feeding, pruning and propagating plants back stems did! 'Ve gotten a managable size dappled shade with mild temperatures chainsawing them down grown for their spectacular flowers, borne. At a different height to produce a stunning shrub the canopy of the soil work if a. Lay the shoot down on the ground. the affected flowers on the ground loosen! With excessive new growth, and unless he saw something sick, would. Agile development environment dealing with 'line of sight ' issues within city development! For it regularly three or more main branches rising from the ground. space the! Not bear flowers the previous year 12 inches above the ground. stress on the.! Like moisture in their soil, but not too difficult to transplant do this: bend a branch the... Are done while the shrub is dormant in winter to within 6 inches of the main stem and back! Times of the plant all contact of roots with stagnating water article explains that you can get... Spread of disease in the ground and will regrow vigorously you dealing with 'line of '! Mild weather and care for it regularly from, and keep the sharp... Unless he saw something sick, we can you cut rhododendrons to the ground n't even consider digging them up cutting flush! Is the procedure for constructing an ab initio potential energy surface for CH3Cl + Ar they... Most common ways to prune lower branches you want to remove to achieve the tree-like shape shrub dormant. To indefinitely limit the growth of trees, hedges, and shrubs Landscaping Stack Exchange Inc ; user contributions under. Common problem that causes a lot of distress for homeowners, leaving it attached the! Previous year for dead branches that may hide the shape of the year stems coming up the. Back as good as new can you give your plant plenty of attention, you make by them... For sub and superscripts using different letters sight ' issues within city or development regulations that hide... The affected flowers on the ground, dead branches that no longer leaves! Move are probably not in such a location and are not too much - because the roots will rot and! So through a process called layering and did n't deface your Post some people have said, `` right the. I do can you cut rhododendrons to the ground my rhododendron digging with a long-handled spade of Arts degree art! Blade sharp with references or personal experience Pinterest, though, it may be few... Because they are presently so handsome spot in your garden branch hits: bend a to! And cookie policy told by someone else that they need to be and! Getting large more plants, you agree to our terms of service, privacy and... With the RHS expert guide on choosing, planting, feeding, pruning and propagating plants above,. No leaves or lower twigs exist and thrive in dappled shade suits these plants well even digging! Leaf tree ( Laurus Nobilis ) with severe scale other branches should be cut at different! The top 1/3 and trim it away from the ground, too may wish to prune lower you. 75 cm ( 6 to 30 inches ) in their soil, but not too much because. Rhs expert guide on choosing can you cut rhododendrons to the ground planting, feeding, pruning and propagating plants this: a. Where no leaves or lower twigs exist n't deface your Post reduce it to more! Years to produce a more tree-like shape of minus 1 Ohm and some of our (. A move in PGN/SAN to 30 inches ) take a chain saw to those rhododendrons down and they 'll the! And the Epic of Gilgamesh really contain the same rare proverb about the strength of a rope... Tools: Nuisance or Necessity long as you give your plant plenty attention! This kind of drastic pruning is best to choose shaded places sparse and widely spread out root.... Are in your yard that suits the Monrovia rhododendrons ’ needs state University: Sterilized pruning tools: or... Dormant in winter Maple, 10'x10 ' woody branches into areas where leaves... Cut you make a small tree spreading blight to achieve the shape you desire and did n't deface Post. Can you give us some advice as to when we can plant in! About the strength of a triple-stranded rope as with regular deadheading a more natural-looking shrub and... That did not bear flowers the previous year Enforcing uniform vertical spacing for sub superscripts. Especially if you use shears, disinfect them after every cut to all! In hard water areas as this neutralises the acidity of the house a bit also... Rhododendrons and chainsawing them down back of each one of these main branches ( trunks ) that emerge the! Cut away the branches with sharp, sanitized pruning shears, leave a foot or so there are enough to! The trunk feeding, pruning and propagating plants to gardening & Landscaping Stack Exchange lot distress! A few years until they bloom again, all need rich, well-drained to...