Why Are Our Red Pepper Plants Rotting?
We planted green, yellow and red peppers and the red ones are rotting either before they are full size or just as they are turning red. They turn black with a peach fuzziness on the black spots. They start with a brown spot first.
Certified GKH Gardening Expert
This is blossom end rot. The following article will help with that: https://www.gardeningknowhow.com/edible/vegetables/pepper/pepper-blossom-end-rot.htm