QuestionsHow to growFlowersBorder Perennial Flowerspond debris for compost 0 Vote Up Vote Down Nuala Mahon asked 15 years ago Can I use Elodium and Bullrush detritus from pond for my compost heap? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago There is no problem using pond debris on a compost heap. The only plance it should not be disposed of is into ditches or water courses.