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.  However the clinic is not being staffed regular hours and questions should be submitted by email to .  The clinic is not able to handle walk-in clients or phone calls at this time.

If you have a horticulture or gardening question please submit your question to  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 so that we can make a conclusive diagnosis.  For pointers on how to take high quality diagnostic photos click here.   Do not send plant samples via mail at this time.

The Horticulture Clinic is accepting soil samples for soil pH testing during the covid-19 emergency period.  Soil samples must be sent by mail and must include this form.  Please make sure the form is mailed with the samples and filled out completely with a legible email address and crop designated for each sample.  During the covid-19 emergency the $2/sample fee will temporarily be waived with a maximum of 5 samples allowed 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 to:
Cape Cod Cooperative Extension
Soil Test
PO Box 367
Barnstable, MA 02630