Fennel Home › Forums › Edible-Garden Questions › Vegetables & Herbs › Fennel 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 September 18, 2008 at 12:57 am #28453 Anonymous I planted fennel this year — the fronds of which look beautiful in the flower garden. I think I wait to harvest the root until after the first few frosts. Am I remembering correctly? Thanks!RC Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.