QuestionsHow to growTrees and ShrubsPlantingmoving spiraea arguta 0 Vote Up Vote Down terry moloney asked 16 years ago Just want to know when is the best time to move my spiraea as it is too big for where I put it. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago It can be moved any time after the leaves have fallen.