QuestionsHow to growTrees and ShrubsHedges and Shelter beltsLeylandii 0 Vote Up Vote Down tom d asked 14 years ago Im planning to set some castlewellan gold leylandii to replace my dead hedge. i have cut down all the hedge to ground level but left the roots in. can i still plant the leylandii about 1foot in from the roots? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Leylandii is a very vigorous hedge only suitable for large gardens and if you think you will be able to keep it clipped. You can plant between dead roots wherever you can find space.