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Pruning Crepe Myrtles

Posted on 10/9/19 at 1:05 pm
Posted by ThatsAFactJack
East Coast
Member since Sep 2012
1542 posts
Posted on 10/9/19 at 1:05 pm
I have a few Crepe Myrtles in my back yard that I have ashamedly let get out of control.

When is the best time to prune them back and what is the proper technique?

TIA
Posted by CoachChappy
Member since May 2013
32554 posts
Posted on 10/9/19 at 1:14 pm to
quote:

When is the best time to prune them back and what is the proper technique?



Purists will tell you it is never. You can trim them after they have dropped their flowers, but still during the growing season. I usually just clean mine out from the middle.
Posted by hungryone
river parishes
Member since Sep 2010
11987 posts
Posted on 10/9/19 at 1:17 pm to
Prune for desired shape. They absolutely DO NOT need to be pruned to flower, nor is the horrible, cut-off-the-entire-crown pruning a very good idea. It leads to a weak tree that tends to split.

So look at what shape the tree is now, and think about what shape you want to achieve. Some thoughtful consideration from different viewpoints will tell you what you need to remove.
Posted by SSpaniel
Germantown
Member since Feb 2013
29658 posts
Posted on 10/9/19 at 1:20 pm to
After they've bloomed. I'd wait till late winter/early spring. Prune any crossing branches, random branches that look like they don't belong and clean the middle out some and just maintain good shape. That's it.

Posted by NATidefan
Two hours North of Birmingham
Member since Dec 2008
36085 posts
Posted on 10/9/19 at 1:23 pm to
Dont dead head them whatever you do.
Posted by SSpaniel
Germantown
Member since Feb 2013
29658 posts
Posted on 10/9/19 at 1:24 pm to
quote:

They absolutely DO NOT need to be pruned to flower


Question... I didn't touch any of mine this year. They didn't bloom for crap. Barely at all. None of them. They HAD crepe myrtle bark scale, but I got a systemic and some dormant oil that took quick care of that. But still... no blooms. Did they just take the year off?
Posted by Zappas Stache
Utility Muffin Research Kitchen
Member since Apr 2009
38723 posts
Posted on 10/9/19 at 1:39 pm to
quote:

They HAD crepe myrtle bark scale, but I got a systemic and some dormant oil that took quick care of that. But still... no blooms. Did they just take the year off?


they certainly could have been still stressed. Give them a couple of years to recover.

Selective pruning of Crapes is fine. But please dont "Crape Murder"!

Posted by Aristo
Colorado
Member since Jan 2007
13292 posts
Posted on 10/9/19 at 1:43 pm to
I usually just trim them when I hit my head on the branches as I walk under and sometimes not even then.
Posted by CAT
Central Arkansas
Member since Aug 2006
7088 posts
Posted on 10/9/19 at 1:48 pm to
I've always been told February here in AR and that's when I do it. Have had neighbors do it when they start losing leaves and their CM always look good too.
Posted by SSpaniel
Germantown
Member since Feb 2013
29658 posts
Posted on 10/9/19 at 2:03 pm to
quote:

But please dont "Crape Murder"!



If you do that, you don't get the cool bark. Plus, they just look ugly. Branches grow that can't support the weight of the blooms. Just an awful practice all around. If you are going to do that, might as well prune them the same way you should prune a Bradford Pear. One single pruning cut horizontal to the ground as close to the ground as you can get it.
Posted by NATidefan
Two hours North of Birmingham
Member since Dec 2008
36085 posts
Posted on 10/9/19 at 2:08 pm to
I think early spring is the recommended time. So around end of February sounds right.
Posted by Zappas Stache
Utility Muffin Research Kitchen
Member since Apr 2009
38723 posts
Posted on 10/9/19 at 3:08 pm to
quote:

I think early spring is the recommended time.


Late Winter is the best time. Blooms occur on new growth so you want to prune before the spring growth.
Posted by Saskwatch
Member since Feb 2016
16576 posts
Posted on 10/9/19 at 3:09 pm to
quote:

please dont "Crape Murder"


I want to crape murder the one in front of my house. It's dropped a shite ton of detritus onto the walkway leading to the front landing.
Posted by SSpaniel
Germantown
Member since Feb 2013
29658 posts
Posted on 10/9/19 at 3:22 pm to
quote:

I want to crape murder the one in front of my house. It's dropped a shite ton of detritus onto the walkway leading to the front landing.


You didn't realize that this would happen when you planted it?
Posted by Saskwatch
Member since Feb 2016
16576 posts
Posted on 10/9/19 at 4:30 pm to
quote:

You didn't realize that this would happen when you planted it?


Came with the house I bought. I didn't know they did this.
Posted by arcalades
USA
Member since Feb 2014
19276 posts
Posted on 10/9/19 at 5:12 pm to
you can prune those things any time. I've got numerous crepe myrtles and have pruned at all times of the year for many years.
Posted by DMAN1968
Member since Apr 2019
10148 posts
Posted on 10/9/19 at 5:40 pm to
The way it was explained to me was the easiest. Prune the Crepe in such a way as you can see "through" it...I guess what others are meaning when they say "the middle". Leave the tops alone. I hate when I see someone crop tops Crepe Myrtles...just cut them down completely if you are going to do that.
Posted by East Coast Band
Member since Nov 2010
62805 posts
Posted on 10/9/19 at 6:56 pm to
I have a beautiful crape myrtle that I've never pruned. It's about 20 feet tall, 15 foot span or so. Blooms nicely.

Posted by CrawDude
Baton Rouge
Member since Apr 2019
5271 posts
Posted on 10/9/19 at 7:46 pm to
Nice short article from Dr. Allen Owings landscape horticulturist Prune Crape Myrtles Properly
Posted by TeddyPadillac
Member since Dec 2010
25631 posts
Posted on 10/10/19 at 10:28 am to
quote:

When is the best time to prune them back and what is the proper technique?



whenever you have time.
Take a chainsaw and cut at the base of the tree a few inches above the ground. Drill holes into stump. Pour grass/weed killer in it. Do this for a week. Stump dies. remove rotten stump a few months later. Your welcome.
Crepe Myrtles are the devil.
This post was edited on 10/10/19 at 10:31 am
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