Japanese maple – funny looking new growth/pruning Home › Forums › Tree & Shrub Questions › Tree & Shrub Questions › Japanese maple – funny looking new growth/pruning This topic contains 0 replies, has 1 voice, and was last updated by Anonymous 8 years, 1 month ago. Viewing 1 post (of 1 total) Author Posts October 22, 2008 at 9:47 pm #28563 Anonymous I planted a Japanese Maple (Acer Palmatum, Shidenshojo) in a container on my roof terrace last spring. In late summer it sprouted very long odd looking new growth. (see photo) Any advice on how to prune? And when? I am a new gardener. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.