Answer: Crape myrtle is a marginal plant in the low desert and it's not surprising that it's struggling. It sounds as if your plant is suffering from salt burn (dried out even though you water). Since it's close to death anyway, it might be better to replace it with a plant better adapted to our conditions. Contact Goodyear's Water Department and ask them for a copy of Plants for the Desert Southwest, produced by the Arizona Municipal Water Users Association. It's free and contains photos and info on plants that do well here. Good luck!
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