Brown leaves on Weigela bush

My Weigela has suddenly developed brown leaves on one side of the bush. Do you know the reason for this?

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1 Comment To "Brown leaves on Weigela bush"

#1 Comment By Downtoearthdigs On 06/19/2015 @ 1:16 am

Weigela Shrubs can become infected with Mealybug or Gray Mold.
Environmental issues also could cause brown leaves. If it’s a new planting Leaf Scorch could be a possibility.
Inspect the plant and I would recommend a Neem Oil treatment. It is both a fungicide and pesticide.

https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm ^[1]

https://www.gardeningknowhow.com/ornamental/shrubs/weigela/growing-weigela.htm ^[2]

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[1] https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

[2] https://www.gardeningknowhow.com/ornamental/shrubs/weigela/growing-weigela.htm: https://www.gardeningknowhow.com/ornamental/shrubs/weigela/growing-weigela.htm

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