>>925504You might not have enough nutrients in the pot or maybe heavy watering has washed some of them out of the soil, pots are a bit harder that way. It's also possible that the pot is too small, or will be in time, in which case you should move it to a bigger pot or into the ground.
At the very least I'd recommend feeding it with soluble fertiliser every couple of weeks and seeing if it makes a difference.
Repotting it in a bigger pot or into the ground is always going to be better, but peppers can be sensitive when young, so watering it in with seaweed emulsion will help with the shock.
Pic related is my marconi rossi capsicum, cut it back last winter and now it's doing pretty well with a dozen or so qt fruit on it.
