QuestionsHow to growFlowersBulbslilies 0 Vote Up Vote Down Geraldine Johnston asked 14 years ago I have brought my lillies ,grown in pots,into the cold greenhouse ,tilted them on their side to drain. how do I store them for the winter and when do I start them off for next year? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Lilies can be left outdoors in pots and they will start into growth of their own accord.