QuestionsHow to growTrees and ShrubsPlantingpropagating hydrangea 0 Vote Up Vote Down anne clarke asked 14 years ago I have a lovely white hydrangea, soft leaves,starts off acid green,then white.Tiny petals ,heads become quite large,think it may be “Annabelle” looking at internet. How and when do i propagate ? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Cuttings can be taken in July using soft new shoots. More on cuttings at:Â Â https://gardenie.wpengine.com/gerrycategory/vegetative-propagation/?id=5418#a2