My weglia (wine and rose)shrub leaves keep drying up like they’re burnt or something. What is causing this?

Question

I have pruned it and am getting new growth but still doesn’t look good.

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Answer 1

This appears to be a fungal infection. This is normally caused by overwatering

Treating will require a fungicide. This article will help: https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm

This article will help you to care for the plant: https://www.gardeningknowhow.com/ornamental/shrubs/weigela/growing-weigela.htm