Mint companions. It is said that the scent of Pennyroyal is disliked by insects. Pack it in a pet cushion or wrap it in a cloth and wrap it around your pet's neck. Pennyroyal Mint Herb, Cut, Orgniac Scientific Name: Mentha pulegium Family: Lamiaceae Part: Whole plant Also known as: Penilloial Hakka / Megsa Hakka Country of origin: Bulgaria *The country of origin is subject to change without notice, depending on climate and other factors.