Crape myrtle leaves turning brown on ends with tiny white areas

15 gallon Crapes planted in early April of this year. Variety is Tonto. Blooming well. Deep hand water twice a week. Garden is sprinkled once per week. Temps in August 95-100.
Spider mites or not enough water?

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1 Comment To "Crape myrtle leaves turning brown on ends with tiny white areas"

#1 Comment By theficuswrangler On 09/03/2014 @ 2:11 am

White patches could be spider mites or powdery mildew. More information here: https://www.gardeningknowhow.com/plant-problems/pests/insects/spider-mite-treatment.htm ^[1]
https://www.gardeningknowhow.com/plant-problems/disease/get-the-cure-for-powdery-mildew.htm ^[2]
The browning may well be a stress reaction to high summer heat, plus this is a newly planted tree. You can check the water by digging with a hand trowel – after watering, ground should be moist at least 6″ deep. You can check in the middle of the week, if the soil is dry, you can water again.

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[1] https://www.gardeningknowhow.com/plant-problems/pests/insects/spider-mite-treatment.htm: https://www.gardeningknowhow.com/plant-problems/pests/insects/spider-mite-treatment.htm

[2] https://www.gardeningknowhow.com/plant-problems/disease/get-the-cure-for-powdery-mildew.htm: https://www.gardeningknowhow.com/plant-problems/disease/get-the-cure-for-powdery-mildew.htm

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