We recently planted a crepe myrtle. It started to bloom and now the leaves are turning yellow and falling.
Crepe Myrtle Leaves Turning Yellow and Falling
Certified GKH Gardening Expert
There are several reasons why a plant gets yellow leaves. Typically, it is a water or fertilizer issue. Make sure that it is getting the right amount of water and is fertilized (especially with iron) is a first step. This article will help: https://www.gardeningknowhow.com/plant-problems/environmental/plant-leaves-turn-yellow.htm