QuestionsHow to growVegetable GrowingSite and Soilraised vegetable patch 0 Vote Up Vote Down leanne mc garrigle asked 15 years ago Can i use sleepers around a raised vegetable patch that have been treated with cresote. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago There is no need to use raised beds at all. Grow directly in the soil. Raised beds are of value only in some circumstances, such as heavy clay soil. If the sleepers are old and not giving off too much fumes, they are okay.