Q.Crepe Myrtle Bush Leaves Brown Red And Yellow
Plant a year ago has not grown or bloomed. Leaves are not green. Bark when scratched is green.
Certified GKH Gardening Expert
They definitely have a disease. This is common when planting as many people will tend to keep new plants on the wet side. Unfortunately, this precaution tends to lead to infection.
You can use fungicides and feed the tree according to a soil test. These two things should take care of the issue.
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-moisture-in-plants.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/test-soil-for-pests-and-diseases.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/making-sure-soil-drains-well.htm
https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm
https://www.gardeningknowhow.com/ornamental/trees/crepe-myrtle/crepe-myrtle-care.htm