Hello Gardeners, I'm Amanda McNulty with Clemson Extension and Making It Grow . Many people who have cut grass with push lawnmowers think that there should be a special place in the hell for yucca plants, as they have backed into them and suffered a painful stab wound. As a matter of fact, an Australian hospital reports it has treated dozens of persons with serious ear injuries incurred while working around yucca plants. The most dangerous yucca we have in South Carolina is Yucca aloifolia, or