QuestionsHow to growVegetable GrowingPotatoescompost potato stalks 0 Vote Up Vote Down jj o donnell asked 14 years ago If i mix the potatoes stalks with what i already have in the compost bin will it decompose or do i need to use chemicals to break it up? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago As long as potato stalks are not diseased, there is no problem composting them and they will decompose well, just mixed with whatever else there is.