Betony (aka Bishops Wort) is a species within the mint family. Like many herbs, has a storied history. As far back as Egyptian times, it was considered a magical herb and was believed to provide protection against harm lol. During the Middle Ages, people wore amulets made from betony to ward off evil spirits double lol. For the culinary herb garden, betony makes a wonderful replacement for black tea. It is popular as a base herb for herb tea mixes, to which it adds a light, clean flavor. Medicinally, today, betony is used by herbalists for treating tension headaches, migraines, and chronic headaches of hormonal nature. For us, the blooms are beautify and the foliage is attractive and holds up well in the Tennessee area - good rock garden herb! At maturity, this plant reaches 18-24" both tall and wide.