Crepe Myrtle Trees

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  1. When to Prune Back Crepe Myrtles
  2. When to Prune Crepe Myrtle
  3. Black Leaves on Crepe Myrtle
  4. Myrtle Trees
  5. Hard Pruning Crepe Myrtle
  6. When to Prune Crepe Myrtles
  7. Will Crepe Myrtle Survive Winter
Asked by Anonymous on November 7, 2010
When to Prune Back Crepe Myrtles

I have over 30 crepe myrtles on my property. I like to keep them cut back to about 5 feet so I can enjoy the blooms without having to look up. I’ve heard fall and early spring. I like my landscape to look fresh during the winter, so is it OK to prune them back now?

ANSWERS
Heather
Certified GKH Gardening Expert

If you prune right now, you will diminish next year's blooms. The tree has not entered a solid state of dormancy yet and pruning now could bring it back out of dormancy and make it susceptible to cold damage. If you wait until mid-winter to early spring (between Jan 1st to mid March) it will be better. Here is an article to help: http://www.gardeningknowhow.com/ornamental/trees/crepe-myrtle/best-crepe-myrtle-pruning-time-when-to-prune-crepe-myrtle.htm

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Asked by Anonymous on November 11, 2010
When to Prune Crepe Myrtle

What is the best time to prune crepe myrtle? We live in Napa Valley,   California and get some freezing temps in January and early February.

ANSWERS
Heather
Certified GKH Gardening Expert

Regardless of where you live, the best time to prune is in late winter or early spring. This article will help:
http://www.gardeningknowhow.com/ornamental/trees/crepe-myrtle/best-crepe-myrtle-pruning-time-when-to-prune-crepe-myrtle.htm

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Asked by Anonymous on November 21, 2010
Black Leaves on Crepe Myrtle

We have several crepe myrtles on our church grounds. Also, the church is in Orange Beach, AL and is about 1. 5 miles from the Gulf Coast. They are approximately ten feet tall and they do not have many leaves on them. The leaves that are on them have some type of black stuff (mold or fungi) on them. What can be done to save these trees? Will pruning and spraying with some type of fungicide cure them and allow them to thrive? Need to save all of these trees. . . would cost quite a bit to replace because we have about 75 on the property.

ANSWERS
Nikki
Certified GKH Gardening Expert

This is sooty mold, a common problem with crepe myrtle trees. Here is an article that you may find helpful: http://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm

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Asked by Anonymous on December 23, 2010
Myrtle Trees

My trees are 10 years old and the knots on each branch where they have been pruned every year have gotten very large and sprout dozens of new branches each spring. Can I trim below these knots [closer to the ground] to reshape the trees?

ANSWERS
Nikki
Certified GKH Gardening Expert

You should be able to, but without knowing the exact shape of the tree, we would not be able to tell you how this would affect the future shape of the tree. It would be worth it to have a landscaper who is experienced with crepe myrtles come and look to make sure that the tree will retain a pleasing shape if this sort of pruning is done.

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Asked by Anonymous on December 30, 2010
Hard Pruning Crepe Myrtle

I have three wild crepe myrtles that have reached full maturity. They have never been pruned. The problem is that the flowers shed into my neighbor’s pool and cause a problem with their pool pump. I need to prune them back about 15 feet. They are presently 30 feet on average. I need to know how to go about this without damaging the trees.

ANSWERS
Nikki
Certified GKH Gardening Expert

Crepe myrtles can easily take this kind of pruning without endangering the tree. We normally advise against this kind of pruning, as it can deform the tree visually, but it sounds like you do not have a choice. Prune it in late winter or early spring and cut out the branches you need to with a sharp, clean shear or saw, depending on the thickness of the branch.

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Asked by Anonymous on January 12, 2011
When to Prune Crepe Myrtles

I would like to know the correct time of the year (winter months) to prune my crepe myrtles. I want to actually cut them lower than I usually do because I have used a ladder in the past to just top them, and they’re just getting too tall. I have about 7 of them in one fairly large area between myself and my neighbor. I’m in Mechanicsville, Virginia and have a couple of months left before spring.

ANSWERS
Nikki
Certified GKH Gardening Expert

Anytime between now and the end of March will be fine for pruning these trees.

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Asked by Anonymous on January 16, 2011
Will Crepe Myrtle Survive Winter

I want to plant crepe myrtle tree in spring but need information on whether it will survive winter conditions in Zone 6 in PA.

ANSWERS
Nikki
Certified GKH Gardening Expert

It depends on the variety. There are some new varieties that will grow in Zone 6. The ones we have seen like this, however, never really take on a tree form, but rather stay bush like as they die back to the ground each winter.

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