News & Events

View our latest events, workshops, and happenings.

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Master Gardener Program

A cooperative effort to provide unbiased horticultural info to the community.

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Pest & Weather Updates

Stay informed with regular updates on weather, insect, disease and weed activity!

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Horticulture Clinic

The Clinic offers diagnostic services and info for all your gardening questions.

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Fact Sheets & Resources

Resources for all of your gardening and agriculture needs.

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Fertilizer Certification

Exam, certification, and regulatory information.

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This program serves as a resource for accurate, unbiased information on plant management for municipal agencies as well as for agricultural producers, members of the Green Industries and the public. Trained volunteer Master Gardeners assist in the delivery of educational programs to the public.


The Cape Cod Cooperative Extension Horticulture Clinic is open to handle gardening questions, soil samples, and diagnostic questions. If you have a horticulture or gardening question, please submit your question to or call 508-375-6700. Please be as detailed as possible with your question. For questions that involve insect ID, plant ID, weed ID or disease/mysterious problem solving, please include high quality pictures with your email.  For pointers on how to take high quality diagnostic photos click here.

Soil and Diagnostic samples can be dropped off at  212 Mid-Tech Dr., W. Yarmouth.  Soil Submission Form and Diagnostic forms are available below the black mailbox at the front entryway. Please be sure your sample is accompanied by one of these forms and that your sample is clearly marked with your name and any pertinent information. Samples and completed forms can be placed in the mailbox when complete.  Soil samples are tested at no cost to residents.  We do ask that you limit your samples to 5 per household.

For more extensive testing including nutrients and fertilizer recommendations – use the UMass Soil Testing Lab.  Instructions on how to take a soil sample.

Mail samples to:
Cape Cod Cooperative Extension
Soil Test
PO Box 367
Barnstable, MA 02630