I have 2 very tall Crepe Myrtle trees that are 20′ tall
The trees were overtaken for many years. After clearing the invaders, the trees seem to be very stout and healthy. When do I prune and fertilize? How do I prune?
Certified GKH Gardening Expert
These articles will help you:
They generally do not need fertilizer, but it will not hurt to give it some if you want. If you do fertilize, use a balanced fertilizer (10-10-10).