my rhododendron is too big

my rhododendron is too big

Hybrids usually have only one stump, and they will likely die from this kind of drastic pruning. Hi Lois…I would probably try some Rhododendron & Azalea fertilizer on it first. I have a Lavender Rhododendron that grew at a normal pace over the last Ten years. Q: We have three rhododendrons that are getting too big for the space. I am in Shelton CT. Any suggestions??? While this will provide quick relief to the plant, you will probably want to look into making your soil more acidic long term. Prune just above the growth joints using hand-held pruning shears. Cut about one-third of the biggest, oldest shoots way back this spring, then do the same to another one-third next spring, then whack back the remaining third the following spring. There are several types of fungus that can cause this. Since the buds grow during the summer, making sure that you have a thick mulch cover and that your Rhododendrons are getting at least 1″ of water per week will help it to be as healthy as it can be. How to Prune an Overgrown Rhododendron Without Hurting It. The periodic soggy soil and poorly aerated conditions those beget are the No. The nursery manager of a local garden center once gave me some inside information on the trees and shrubs that people kill most often. my rhododendrons bush only has a few flowers that have bloom we have had a very wet cool spring so far what can I do the buds look fine. The most common cause is that there is a nutrient imbalance in your soil. Should I cut the new shoots off or leave them on to regenerate the plant if the older growth has future problems. However, occasionally you may run into an issue where your plants are just not looking up to par. When scraped they are bloody. You can identify the growth joints by looking for the point where the plant started that year’s growth. Over 8 foot wide. Bud Blast is a fungal infection that causes the buds on the Rhododendron to die and turn black before they bloom. Hi. Azaleas and rhododendrons can perform well in woodlands and under trees, but they cope best when they grow up along with the trees. While most Rhododendrons will do fine in the shade, there are some varieties that like more sun. The rest of the plant probably won’t be looking very healthy either. Prune any branches that are growing back into the plant. 0000006799 00000 n They should tell you on the package how much to apply, but generally it’s not a lot. Otherwise, the blooms may just be a little slower than usual coming out because of the cooler weather. Your email address will not be published. Fray out plant roots as much as you can before planting, and backfill and water the soil after setting the plant and removing any wires, strings, or burlap. What is that? what should I do? It had more last year but was still thin I wanted to prune, but was afraid to without knowing what I was doing. 1 killer of azaleas and rhododendrons. All rights reserved (About Us). 1. Fornari is a speaker, writer, radio talk show host and gardening consultant, gardening, speaking, lectures, writer, plants, annuals, perennials, shrubs, garden advice, gardens, Cape Cod, radio, gardenlady, garden lady, page-template-default,page,page-id-974,page-child,parent-pageid-17030,bridge-core-2.5.5,et_monarch,ajax_fade,page_not_loaded,,qode-theme-ver-24.0,qode-theme-bridge,disabled_footer_top,qode_header_in_grid,wpb-js-composer js-comp-ver-6.4.1,vc_responsive, Garden Groups – In Person or Virtual, Zoom Presentations, Horticultural and Green Industry Trade Talks. Large, overgrown rhododendrons can be cut 12-15 inches from the ground when necessary. Hi Marianne…There could be a few reasons why your Rhododendron is not flowering and leaves are turning light green (or even yellow). These are the 2 common causes of this that I’ve seen. As long as the rest of the plant is still healthy, I would let the new shoots grow. Rhododendron Care: How To Grow Beautiful Rhododendrons and Azaleas. Hi, and welcome! I have tried to research them, but can find nothing about them. To fix this, try adding a Rhododendron fertilizer following the directions on the box for how much / when to apply (Rhododendrons don’t like to be fertilized too much). But I have had Rhododendrons die back and then send up new shoots from the ground so watch for that. 1) Prune it. That’s why it’s so important to know a few key azalea and rhododendron do’s and don’ts before adding to the unnecessarily high death toll of these spring beauties. You can find more about it here: https://www.gardeningknowhow.com/ornamental/shrubs/azalea/azalea-leaf-gall.htm. I don’t want to cut it back or down if I don’t have to. Rhododendron Varieties: 7 Of The Best Azaleas and Rhododendrons For Your Garden, Small Backyard Trees (8 of the Best Trees For Your Small Backyard), Daphne Plant: How To Grow A Daphne Shrub That Will Fill Your Garden With Fragrance, White Flowering Shrubs (20+ Of The Best Varieties For Your Garden), Purple and Blue Part Shade Perennials To Plant With Spring-Blooming Bulbs, Flowering Vines For Shade (9 of the Best Perennial Shade Vines That Won’t Take Over Your Garden). A: The rhododendrons probably wouldn't be too happy about it. When the leaves all start dying, it usually indicates one of the Rhododendron diseases that can’t be cured. By George Weigel/The Patriot-News Q: We have three rhododendrons that are getting too big for the space. A DIY Penn State soil test will tell you your soil's pH and other key nutrient readings. The rootball should be at or just below the surface and shouldn’t be covered with too much mulch. You should prune the rhododendron before the buds form so you don’t lop off the following year’s flowers. 3. Most people think their rhody is too big, but really it's just too oppressive and/or crowded. So my mother  and I are on a mission to help you do just that by sharing the DIY outdoor projects, plant suggestions and gardening tips we’ve learned through our combined 75+ years of experience. I had a rhododendron planted in the general area that did the same thing and died last year. Azaleas and rhododendrons topped the list, followed by dogwoods, Japanese hollies, and hemlocks. Terry has written articles and publications for a wide range of markets and subject matters, including Medicine & Health, Eli Financial, Dartnell Publications and Eli Journals. There is nothing more disappointing than seeing your Rhododendron covered in buds and then not getting any flowers! Thanks so much for your reply! 0000001902 00000 n Could we cut them back to about 2 feet and still expect them to recover? Hi Alina…it probably is the lack of water. That decreases the number of fungus spores that are available to be transported and limits the spread of the issue. First, since the Rhododendron roots are so shallow, too much fertilizer can stunt the growth of the whole plant. Hi, I have a rhode whose leaves are yellow, droopy, and the bush basically looks like it is dying. Not any you mentioned. 0000060255 00000 n Think about thinning the shade or moving the plant if it is suffering. But all of that is another story. Pruning large rhododendrons can seem like an overwhelming undertaking, but it doesn’t need to be. Real pruning for health and good looks often solves the problem. Hi Andy…it could be a few things: 1. The new shoots are very healthy. You particularly might need to acidify if you’re planting near a foundation, sidewalk, or driveway where lime leaching from concrete can raise the pH. 0000001459 00000 n I have four rhododendron bushes which were planted about four years ago. Note to readers: if you purchase something through one of our affiliate links we may earn a commission. You should prune the rhododendron before the buds form so you don’t lop off the following year’s flowers. It started after they blossomed about 5 weeks ago. It’ll also give you a reading on the soil’s pH, which is a measure of how acidic it is. If you take the pruning one step at a time and break up the project across a few days, it won’t seem so impossible. Most people don’t have the patience for this and end up not dealing with the size of their plants until they are too big. Another common destructive practice is planting too deeply. According to the American Rhododendron Society, if the plant has older leaves that have turned yellow between green veins, you likely have a Magnesium deficiency. If none of those seem to be the case, you may just have a short-lived plant. In this case, they usually turn a light brown color and get a little mushy (for lack of a better term). If your large rhododendron is growing out of control and starting to look like a mess, you’ve got some pruning to do. 0000008433 00000 n Bumblebees and swallowtail butterflies love rhododendron blossoms! It is thought to be spread by the Rhododendron Leaf Hopper, an insect that doesn’t do much damage to the plant other than spreading this fungus around. The leaves always stayed greeni, although curled in the winter. It’s possible that the soil where these Rhododendrons are planted doesn’t drain as well as the other locations. Since you are still getting blooms, it sounds like that isn’t too much of an issue. Hello My Rhodedendrons have spots. But in some cases (like Phytophora root rot), it is best just to take the plant out. 0000005944 00000 n It looks as though it is dead? At least you’ll have done everything possible to get them that far.

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