hydrangeas Home › Forums › Flower-Garden Questions › Annuals and Perennials › hydrangeas This topic contains 0 replies, has 1 voice, and was last updated by Anonymous 9 years ago. Viewing 1 post (of 1 total) Author Posts June 24, 2008 at 9:42 am #27999 Anonymous Does anyone have some basic guidelines for drying blue mophead hydrangeas, i.e. when to cut? Annabelles practically dry themselves in late summer, but drying the others are a challenge! Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.