Pruning Miscanthus Home › Forums › Flower-Garden Questions › Annuals and Perennials › Pruning Miscanthus This topic contains 0 replies, has 1 voice, and was last updated by Anonymous 8 years, 7 months ago. Viewing 1 post (of 1 total) Author Posts June 23, 2008 at 4:37 pm #27992 Anonymous Having grown big seas of Miscanthus for many, many years, I am more wondering why it’s flopping? Not enough sun? Too much fertilizer (I never feed mine). Just curious…mine stand up nicely, many varieties. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.