Prickly pear cactus Home › Forums › Flower-Garden Questions › Annuals and Perennials › Prickly pear cactus This topic contains 0 replies, has 1 voice, and was last updated by Anonymous 8 years, 9 months ago. Viewing 1 post (of 1 total) Author Posts June 20, 2008 at 6:02 am #27944 Anonymous If you figure this one out, tell me. I have the native Opuntia humifusa in my garden, too, and it’s murder to weed. I am afraid I have no tricks, other than those somewhat form-fitting neoprene or latex gloves, like some rose people wear. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.