QuestionsHow to growVegetable GrowingPotatoesSarpo potato haulms 0 Vote Up Vote Down David Proger asked 14 years ago My Sarpo potatoes produced enormous haulms this year together with an excellent crop.Can the haulms go on the compost or must they be burnt? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago Potato haulms will rot down in the compost heap, blight is carried on living tubers.