Purple Plum Radish has a fabulous purple color to brighten up your garden, salad and relish dish! Fun for kids of all ages who are bored with the mundane red radish crop. Try something different this spring and enjoy the crisp, juicy texture of Purple Plum Radishes. Mild, sweet flavor that is crunchy and never pithy.   Harvest in about 25 days. Germination rate about 70% or better. David’s Garden Seeds is a Veteran owned business that has been offering quality seeds since 2009.