QuestionsHow to growTrees and ShrubsFeedingturf dust 0 Vote Up Vote Down trish Cuddihy asked 16 years ago I have a lot of turf dust in our shed just wandering can it be used anywhere in the garden. Have a laurel hedge , can i put it down under trees to suppress weeds or put it on compost heap. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Turf dust be used to mix as compost and could be dug in to improve poor soil. It could be used as a mulch but weeds will blow in on top after a time. It could be put on the compost heap too.