If you remove the whole cluster of immature seed pods.
Jun 05, Figure C below shows a crape myrtle that has been properly pruned. All top stems have been pruned to a point 6 to 12 inches or so above the intersection where the stem meets a branch.

Two new stems will emerge from beneath your stumpfalling.clubg: Chualar CA. Dec 10, So with that being said, it pays to prune your Crape Myrtles in the winter months as soon as November at as late at March when they are dormant.
The good news is most Crape Myrtles can be pruned with hand held shears or long handles loppers. If yours are way out of control, then a chainsaw might be necessary in the most extreme stumpfalling.clubted Reading Time: 5 mins.
Jul 01, If you are just looking to perform general maintenance on your tree, the ideal crepe myrtle pruning time is either in the late winter or early spring when the tree is in its dormancy. This is the best time to prune if you are reshaping the tree, removing deep or weak branches, trying to encourage new growth, or size stumpfalling.clubg: Chualar CA.