Pennyroyal Your ultimate guide to Pennyroyal: Everything you need to know with expert info for beginners and advanced gardeners alike. Pennyroyal Growing Pennyroyal: How To Grow Pennyroyal Herb Pennyroyal plant is a perennial herb that was once widely used but is not as common today. The herb has a number of uses, and growing pennyroyal in the garden is easy. This article will help.
