This is an awesome plant, I have them in pots indoor AND outdoor in my garden. I actually harvested seeds that fell from the little white flowers! I haven enough rhizomes to share with family and friends. I have the green ones also but these purple are much more striking!
yes ma'am you can plant them in the ground i have some in the ground and in pots.. here is a link you may wish to read about the plant...http://www.guide-to-houseplants.com/purple-shamrock.html
sorry posted twice. They are in clumps so they make a nice potted plant as well that is why i have them in pots and in the ground.. thank you for your interest in the cshanson