QuestionsHow to growTrees and ShrubsTypes and Usesproblems with acer palmatum 0 Vote Up Vote Down henry young asked 15 years ago why should the leaves be falling off my acer palmatum 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago Yes, that is normal in autumn, as it is a deciduous tree … a whole new crop in April!