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This article was co-written by Maggie Moran. Maggie Moran is a professional gardener in Pennsylvania.
There are 9 references cited in this article that you can view at the bottom of the page.
Hibiscus syriacus , commonly known as the “rose of Sharon,” is a shrub with pink, purple, and white flowers that often bloom profusely. This plant is very docile and requires little maintenance, but occasional pruning can help keep it lush and vibrant. You should get in the habit of pruning your tree during its dormant season in late winter or early spring. Remove dead or damaged branches first, then deal with overgrown or uncontrolled branches that lose the neat shape of the tree.
Steps
Stimulate new shoots
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Wait until winter or early spring to prune the tree. In general, the Sharon rose is a very easy plant to live and does not require you to take care of it. However, if you find your tree needs fixing, do so during the colder months while the plant is still dormant. This will stimulate new shoots as the weather warms up. [1] X Research Source
- Generally, the best time to prune Sharon roses is between March and early May, before the plants begin to bloom. [2] X Research Source
- Sharon rose plants can be “shocked” if you prune too early or too late, leaving the plant vulnerable to weather and stunting new shoots.
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Remove dead or damaged branches. Look closely at branches that appear to be rotting, brittle, or discolored, leaving only the strongest and strongest parts. Try to prune the overhanging branches as close to the larger branches as possible. You can use pruning shears to handle most branches that need to be cut. [3] X Research Sources
- With large or difficult branches, you may need to use large pruners or a hand saw. [4] X Research Sources
- If you’re not sure if a branch is really dead, you can try scraping off a bit beyond the bark. If the wood underneath is green, leave it as is.
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Prune branches that cross each other. Check the inside of the bush for overhanging branches that overlap or one that wraps around the other. Cut off closer to the base of the crooked branch than of the two – it is not necessary to cut both. Don’t forget to also check for twisted and tangled branches near the bush’s outer ring. [5] X Research Sources
- In addition to the purpose of beautifying the tree, pruning the crisscrossing branches also makes ventilation in the middle of the bush, helping air to circulate better to prevent pests from arising.
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Remove all side shoots that grow under the tree. Side shoots are thin branches that grow straight up from the roots of woody shrubs such as the rose of Sharon. They usually appear along the bottom of the main branches or on the ground just below the tree. The best way to deal with side shoots is to press each branch as close to the base as possible, as this will destroy their bond with the roots and slow them down. [6] X Research Sources
- Once sprouting begins, the lateral shoots will usually regrow within a few months. That means you need to prune 2-3 times a year. [7] X Research Sources
- Not only is it unsightly, the side shoots can also suck up essential nutrients from the soil if you don’t remove them right away.
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Trim up to 2/3 the size of the entire bush. If the plant is not very healthy (or growing too large), you can prune more to leave a little. As long as you don’t touch the hard branches that are still alive at the base of the tree, they will give you beautiful flowers year after year. [8] X Research Sources
- The technique of removing a substantial amount of a tree’s entire size is known as “strong” or “rejuvenating” pruning. This technique helps stimulate healthy new shoots on old or weakened trees.
- You can cut the Sharon rose plant to a bare base of only 60-90 cm tall while the plant is still dormant.
- Remember that the more branches you cut, the less often the flower will come to buy flowers, but its flowers will be bigger and more beautiful because the tree can concentrate nutrients on the remaining branches.
Bush size control
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Remove the seed-bearing pods before they open. Find the fruit near the middle of the clusters of large leaves and use sharp pruning shears to cut just below the stem. Remember to dispose of these fruits in a place that does not come into contact with the soil. [9] X Research Source
- Be careful when handling the fruits so they don’t split.
- If the seed-bearing pods are left to ripen, they will eventually fall to the ground and scatter the tiny seeds throughout the garden and can create an entire forest of unwanted Sharon roses.
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Reduce the height of the tree. As the Sharon rose plant grows, it will usually grow taller instead of spreading outwards. You can deal with this by focusing on pruning branches that grow taller than other branches at the top of the tree. For a beautiful shape, you should cut into a shallow V shape or trim slightly rounded at the top instead of cutting across. [10] X Research Source
- Prune individual branches so that they are different heights for a more natural appearance. [11] X Research Source
- Without pruning, a Sharon rose bush can grow up to 2.5 – 4 meters tall.
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Shape the tree so that it harmonizes with its surroundings. Trim excess shoots from the base of the tree or the edge of the bush to harmonize with the surrounding area. Remember that you can trim up to two-thirds of the bush’s size without harming the plant, so don’t be afraid to prune aggressively if necessary. [12] X Research Source
- Tree shaping techniques can help control thriving trees that grow beyond their boundaries, obstructing paths, or crowding neighboring trees.
- Flowering branches that are cut off will soon return to bloom at the start of the next growing season.
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Prune the bush into a tree shape. Locate under the tree where the large lower branches intersect. Use large pruners or a garden saw to cut all the smaller branches around to about half the new height of the trunk. When completed, the formerly dense bush will take on a neat upright shape like a horoscope or Japanese maple. [13] X Research Source
- Remove branches that extend above the central branch as soon as they begin to appear to maintain the tree’s new shape. [14] X Research Source
- Although the Sharon rose is technically a shrub, many gardeners prefer to grow it as a small tree, making it easier to maintain.
- Styling the Sharon rose tree is also useful if your yard doesn’t have a lot of space for the bush to grow to its full size.
Advice
- “Rose of Sharon” is the nickname for many different plants, but most commonly refers to hibiscus syriacus, a species of plant in the hibiscus family.
- Sharon roses are highly survivable with very little care, so pruning is mainly for aesthetic purposes.
- Depending on the size and age of the bush, you may need to give it a little care every two growing seasons or not for many years.
- Before you prune the tree, check that the pruning shears are sharp. If the tool you use does not make sharp cuts, you should sharpen it.
- Always disinfect pruning shears before and after each pruning. You should also disinfect tools after you finish cutting one tree before moving on to the next if you are dealing with diseased plants.
- Always wear thick gardening gloves when pruning to protect your hands and provide a firmer grip.
Things you need
- Tree pruning scissors
- Long handle pruning pliers (for cutting large branches)
- Hand saw (optional)
- Garden Gloves
X
This article was co-written by Maggie Moran. Maggie Moran is a professional gardener in Pennsylvania.
There are 9 references cited in this article that you can view at the bottom of the page.
Hibiscus syriacus , commonly known as the “rose of Sharon,” is a shrub with pink, purple, and white flowers that often bloom profusely. This plant is very docile and requires little maintenance, but occasional pruning can help keep it lush and vibrant. You should get in the habit of pruning your tree during its dormant season in late winter or early spring. Remove dead or damaged branches first, then deal with overgrown or uncontrolled branches that lose the neat shape of the tree.
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