Classes & Events

Our horticulture educator and Master Gardener volunteers offer online and in-person classes to grow your gardening knowledge.  We also offer educational talks and displays at events throughout the year.

Join our horticulture mailing list to receive free e-mail notices of our upcoming classes and events.  E-mail or call 301-791-1604 to get on our mailing list. 


Watch for Upcoming Details


Winter Sowing Video

Winter Sowing Video 
Learn how to start seeds and grow transplants without grow lights and with little cost and aftercare.  Class was taught by Master Gardener Tina Webster. 

Watched the recorded video below.  Click HERE for the Presentation Slides.  

Check out our Winter Sowing directions, by clicking HERE.


Winter Sowing with UME Master Gardner Tina Webster


Master Gardener Plant Sale
Saturday, April 22, 2023
8 am to Noon

plant sale information

The Washington County Master Gardeners will hold a plant sale on Saturday, April 22, from 8:00 a.m. to noon at the Washington County Agricultural Education Center at 7303 Sharpsburg Pike in Boonsboro.

The plant sale will feature over 3,000 plants grown by Master Gardeners including perennials, annuals, vegetables, herbs, native plants, trees, shrubs, fruits and houseplants. 

 A garden market will feature new and used gardening books, tools, art, gifts and supplies.  A silent auction will spotlight dozens of garden items donated by local businesses.

Visitors will get free gardening tips and learn about the Master Gardener program.  Children will enjoy a children’s learning area.  

All funds raised by the plant sale support the gardening education programs of the Master Gardeners.  Both cash and checks will be accepted.   

The event will be held rain or shine.  Come early for the best selection.

Volunteer educators with the University of Maryland Extension, Master Gardeners teach people safe, effective gardening practices that build healthy gardens and communities.   They give educational talks, create demonstration gardens, offer therapeutic horticulture programs, recognize Bay-Wise landscapes, and host information booths at community events.  

For more information on the event or the Master Gardener program, contact Annette Cormany at or 301-791-1604.