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To prune a murdered crepe myrtle, you need to assess the damage and decide whether to do corrective pruning or start over with a fresh trunk.
If you’ve just discovered that someone hacked your crepe myrtle into those ugly stubs, you’re probably feeling a mix of anger and confusion, and you’re wondering how to prune a murdered crepe myrtle so it looks good again.
The good news is that crepe myrtles are incredibly resilient, and even a badly murdered crepe myrtle can bounce back with the right approach and a little patience.
In this post, we’ll cover how to prune a murdered crepe myrtle step by step, why you should avoid topping in the future, and how to restore your tree’s natural beauty over the next few seasons.
Let’s dig in and talk about fixing that tree.
How to Prune a Murdered Crepe Myrtle: The Recovery Plan
How you prune a murdered crepe myrtle depends on how severe the damage is, and you have a few solid options once you assess the situation.
A murdered crepe myrtle is one that’s been topped, meaning the main trunks were cut off at a uniform height leaving ugly, knobby stubs, and this creates a mess of weak shoots that grow straight up.
The first thing you need to do when learning how to prune a murdered crepe myrtle is to look at the size of the stubs and decide if you want to keep the multi-trunk form or start from the ground.
If the stubs are large and thick, your best bet is often to select a few strong new shoots and prune away the rest, but if you want a clean slate, you can cut everything down to the ground and let it regrow.
Here’s what you need to know about the main recovery strategies.
1. Start Over with a Ground Cut
If the tree was murdered badly, meaning the stubs are massive and the wounds are rotting, the simplest way to prune a murdered crepe myrtle is to cut all the trunks down to just above the soil line.
This sounds drastic, but crepe myrtles are tough and will send up vigorous new shoots from the roots and the base of the plant within weeks.
Once those new shoots appear, you can choose the healthiest and strongest ones to become your new trunks, and you’ll prune out the rest.
This is a great method if you want a clean, natural multi-trunk form without any of those ugly knots, and it’s often the most effective way to fix a murdered crepe myrtle.
2. Keep a Few Strong Shoots
If the stubs are smaller and the tree is young, you don’t have to start completely over when you prune a murdered crepe myrtle.
Instead, wait for the spring growth to emerge and you’ll see lots of pencil-thin shoots sprouting from the cut stubs, almost like a bad haircut.
Your job is to select the two or three strongest shoots per stub and remove all the others so those chosen shoots can become the next generation of trunks.
Make your cuts right at the stub’s surface, being careful to avoid leaving little stubs on stubs, as that just keeps the ugly look going.
Over a few years, those selected shoots will thicken up and eventually you won’t even be able to tell the tree was ever murdered.
3. Prune Out the Death and Disease
When you prune a murdered crepe myrtle, you also need to address any dead or diseased wood that might be sitting on top of those stubs.
Topped trees are more vulnerable to sunscald, pests, and rot because the bark is stripped away and the wood is exposed.
Use a sharp pair of loppers or a pruning saw to cut back any obviously dead or cracked wood first, and make clean cuts just above a live bud or branch.
Don’t apply any pruning paint or sealant, as crepe myrtles heal naturally and sealants can trap moisture and cause more decay.
Why You Should Never Top a Crepe Myrtle Again
Understanding how to prune a murdered crepe myrtle also involves understanding why the murder happened in the first place, and most of the time it’s due to a misunderstanding about how these trees grow.
Topping a crepe myrtle is never the right way to control its height, and it does serious harm to the tree’s structure and health.
Here’s why you should avoid it at all costs.
1. Topping Creates Weak, Ugly Growth
When you top a crepe myrtle, the tree responds by pushing out a cluster of thin, upright shoots that grow far too fast and are weakly attached to the stump.
These new shoots are prone to breaking in high winds and ice storms, and they ruin the tree’s natural vase shape that makes crepe myrtles so beautiful.
Learning how to prune a murdered crepe myrtle properly will save you from this mess and give you a stronger tree.
2. Topping Invites Pests and Disease
The large, open wounds left by topping are perfect entry points for insects and fungal diseases, and they heal very slowly.
A murdered crepe myrtle is under stress, and stress makes the tree more susceptible to problems like scale, powdery mildew, and root rot.
Instead of topping, regular selective pruning keeps the tree healthy and reduces the chance of infection.
3. Topping Kills the Bloom Show
Here’s a fun fact: crepe myrtles bloom on new wood, so you don’t need to top them to get flowers, and topping actually reduces the number of blooms for a while.
The massive flush of suckers that follows a murder will produce only a few sparse flowers, and those flowers are often hidden below the ugly knobs.
When you prune a murdered crepe myrtle the right way, you’ll actually get more blooms over time because the tree can devote its energy to healthy branches.
Proper Crepe Myrtle Pruning for a Beautiful Future
Now that you know how to prune a murdered crepe myrtle, it’s time to learn the correct way to prune these trees so you never have to fix another topped disaster.
The goal is to maintain the tree’s natural shape, remove crossing and rubbing branches, and open up the center for good airflow.
You should do most of this pruning in late winter while the tree is still dormant, but you can also do light cleanup anytime you see dead wood.
Start by removing any side branches that are lower than about five feet if you want a tree form, and then thin out any weak or crowded branches from the top.
Always cut back to a branch junction or to the ground, and never leave long stubs that will turn into future murder scenes.
1. Mind the Height Naturally
If you’re worried about height, choose a dwarf or semi-dwarf variety next time you plant, as these reach only 5 to 15 feet and never need aggressive cutting.
For larger varieties, allow them to reach their natural 20 to 30 feet and just keep the lower branches cleaned up for visibility.
Selective pruning of the interior branches will keep the tree looking tidy without removing the beauty of the top.
2. Feed and Water for Recovery
Once you’ve finished pruning a murdered crepe myrtle, give it a boost with a balanced fertilizer like 8-8-8 in early spring to encourage strong new growth.
Water deeply during dry spells, especially in the first year after the rescue, and add a layer of mulch around the base to protect the roots and retain soil moisture.
This care will help the tree recover faster and reward you with a glorious show of blooms.
So, How Do You Prune a Murdered Crepe Myrtle?
You prune a murdered crepe myrtle by either starting over with a ground cut or by selecting a few strong new shoots and removing the rest.
You need to prune out dead and diseased wood first, then wait for spring growth so you can choose the healthiest shoots to become the new trunks.
Avoid the mistake of topping this time around, and instead practice selective pruning to keep your tree natural and strong.
With a little patience and the right cuts, your murdered crepe myrtle can become a beautiful, healthy centerpiece in your yard once again.
Now you know exactly how to prune a murdered crepe myrtle and turn that disaster into a comeback story.