Aspect is West facing, based in SW London, earth is clay underneath, although has had compost dug into the ground and top soil mixed in to lighten the soil.

Check out fuchsia gall mite, looks like early symptoms

Some of the fuchsias in my front garden have abnormal growth at the tips where I would have expected new flowers to develop. Would this be related to the very hot weather we had earlier in the year? The light pink is Whiteknight's pearl and, up until last year, has been incredibly reliable at flowering. We had similar abnormal growth last year, and again we had been subjected to very hot weather.

What has caused fuchsia to mutate at the tips?