Crepe Myrtle – Yellow Leaves
The leaves on my Crepe Myrtle trees are turning yellow from bottom to top and falling off. There are blooms at the top. The trees are near each other with other bushes between (the other bushes do not seem to have this yellow leaf problem).
Certified GKH Gardening Expert
This article should help: https://www.gardeningknowhow.com/plant-problems/environmental/plant-leaves-turn-yellow.htm