Join Us

The Horticultural Society of Maryland offers a wide variety of educational and fun events throughout the year. Members of HSM receive advance notification of events and receive either discounted or free admission to many of these events. Please choose from a menu item to the left to learn about upcoming events, and visit the membership page for more information about joining HSM.


Our members enjoy many great programs, workshops and other opportunities to dig deeper into the world of plants and gardening. We have business and organizational memberships that allow your organization to share in the learning, and are recognized in a listing on our website.


Without our sponsors we would not be able to put on the great quality programming that the Society is known for. Find out how your company can benefit by exposure to our plant and garden loving membership.


Volunteering for HSM is a terrific way to get to know like-minded plant enthusiasts while at the same time helping to ensure we can keep things running smoothly. To find out more about volunteer opportunities with HSM, contact: or call 410-821-5561 and leave a message for our volunteer coordinator.


Gifts of support to the Horticultural Society of Maryland make a difference. As a tribute or memorial, these meaningful gifts offer members and friends an enduring tribute to friends or family. All tribute gifts are tax-deductible and support our educational programs. Donate online today, or contact us at or call 410-821- 5561 to learn more.

The Horticultural Society of Maryland, Inc. is a 501 (c) (3) member-supported, non-profit organization. A copy of our current financial statement is available upon request by contacting us at P.O. Box 4213, Lutherville, MD 21094 or by phone 410- 821-5561. Documents and information submitted to the State of Maryland under the Maryland Charitable Solicitations Act are available from the Office of the Secretary of State for the cost of copying and postage.