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Become a Certified Master Gardener in Charleston, Berkeley & Dorchester Counties

Tri-County
Master
Gardeners
Association

Sharing expert gardening education, hands-on training, and community programs through the Clemson Cooperative Extension’s Master Gardener Program in Charleston, Summerville, and Goose Creek — helping our Tri-County neighbors grow smarter, greener, and stronger.

Explore, Learn, and Grow with the Master Gardener Program in Charleston, Summerville & Goose Creek

Who We Are: Master Gardeners Serving Charleston, Summerville & Goose Creek

2024 Impact at a Glance

5,300+ Volunteer Hours Logged

42 Community Gardens & Events

3 Counties, One Unified Mission

Tri-County Master Gardeners are trained volunteers certified through Clemson Cooperative Extension.

 

We serve the communities of Charleston, Goose Creek in Berkeley County, and Summerville in Dorchester County through our Clemson Extension-certified Master Gardener Program.

 

Whether you're new to gardening or a seasoned grower, you'll find helpful resources, friendly faces, and expert advice.

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Upcoming Master Gardener Program Events in Charleston, Goose Creek & Summerville

Learn new techniques, meet fellow gardeners, and get your hands dirty — the good way. Our events include vegetable planting workshops, composting demos, pollinator garden tours, and beginner gardening classes.

Your Go-To Garden Guides for Charleston, Dorchester & Berkeley

Our trusted Master Gardener resources are tailored to help Charleston homeowners, Summerville community gardens, and Goose Creek neighborhood growers thrive across the seasons.

Vegetable Planting Calendar for Charleston, Dorchester & Berkeley

Pest & Disease Control Using Integrated Pest Management (IPM)

Native Plants for South Carolina Landscapes

Water-Wise Gardening Tips for the Coastal Region

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Subscribe to get exclusive updates

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Tri County Master Gardeners Assocition

We proudly serve Charleston, Berkeley, and Dorchester Counties — including Charleston, Goose Creek, and Summerville — through Clemson Extension’s certified Master Gardener Program.

Berkeley County Extension Office  
109 West Main St.  
Moncks Corner, SC 29461  
843-719-4140  
berkeleymastergardener@gmail.com  
Mon–Fri: 8 AM–12 PM & 1 PM–4:30 PM

TEACH Center

2070 Sam Rittenberg Blvd. C412  
Charleston, SC 29407  
843-730-5205  
charlestonmastergardener@gmail.com  
Mon–Fri: 10 AM–1 PM & 1 PM–4 PM

Summerville Master Gardener Office

Wood’s Ace Hardware  
713 Old Trolley Rd.  
Summerville, SC 29485  
843-875-7234  
dorchestermastergardener@gmail.com Tues:
10 AM–1 PM, Thurs: 1 PM–4 PM,  
Fri: 10 AM–1 PM

© 2025 Tri-County Master Gardener Association | Serving Charleston SC, Goose Creek SC, and Summerville SC

Backed by Clemson Cooperative Extension | Website by Brand U Media

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