QuestionsHow to growTrees and ShrubsFrost damagedead hedge 0 Vote Up Vote Down helen dooley asked 14 years ago I sowed a griselinia hedge last september and now it’s dead, people have said to leave it that it might come back but it’s very unsightly with no growth, what should i do? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago It should be showing signs of recovery by mid June. Young hedges are more easily damaged.