American pennyroyal is a fragrant annual herb of dry, rocky woodlands, clearings, barrens and other semi-disturbed areas. The plant has a strong minty fragrance and has been used (with caution) for tea, flavoring, and medicine. Typically grows 6-10 inches tall with pink-purple flowers mid-summer, June-August. Zone 4-8. WV ecotype. // about 80-100 seeds per packet. Germination requirements: no special treatment needed.