QuestionsHow to growTrees and ShrubsChoosing trees and shrubsleylandii 0 Vote Up Vote Down tom d asked 14 years ago Is it possible to keep leylandii under control by cutting it twice a year? i have a half acre site with the boundary on average 35 ft away from my house? im afraid to put hedging in again because of the harsh winters. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Leyland cypress is a mistake for most gardens as it cannot be cut back beyond the green tissue whenit has grown too large, as it undoubtedly will. Pruning twice a year, which is a waste of effort, will not change that.