Why Do My Fushia Bushes Look Like They Have A Disease And What Can I Do About It. Where Flowers Should Be At The End Of The Stems

Question

the leaves are all curled up in small clusters at the end of the stems

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Answer 1

It appears to have gall mites, and a fungal infection! You will need to treat for the mites, first:

https://www.gardeningknowhow.com/ornamental/flowers/fuchsia/controlling-fuchsia-gall-mites.htm

Next will be to treat the infection with a fungicide. This article will help:

https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm