Bringing herbs to life.
What is an herb?
Herbs are defined as plants valued historically, presently, or potentially for their flavor, fragrance, medicinal qualities, insecticidal qualities, economic or industrial use, or in the case of dyes, for the coloring material they provide. - Holly Shimizu
The Potomac Unit
The Potomac Unit is a chapter of the Herb Society of America that is centered around Washington DC’s Potomac River. Drawing members from DC, Maryland, and Virginia, the Potomac Unit is dedicated to promoting the knowledge, use, and delight of herbs through educational programs, research and sharing the experience of its members.
The Potomac Unit supports:
The National Herb Garden at the U.S. National Arboretum and
The Herb Garden at the National Library of Medicine
Herb lovers and the herb-curious are welcome to join us as we cultivate herbs, knowledge, and community.
Click HERE for a downloadable membership form.
The Herb Society of America
The Herb Society of America (HSA) is a national organization based in Ohio with local units around the country. HSA is dedicated to promoting the knowledge, use and delight of herbs through educational programs, research, and sharing the experience of its members with the community.
Photo credit: Murat Deniz
2025 Herb of the Year: Chamomile
(Herb of the Year™ is a trademarked program of the International Herb Association and is not affiliated with the Herb Society of America.)