Master Gardener Helpdesk/Helpline - We are here to assist you!
UC Master Gardeners staff help desk and phone helpline serving Mariposa County, including Greeley Hill, Coulterville and Lake Don Pedro. Our volunteer staff promotes successful and sustainable gardening practices by providing home gardeners with research based information from the University of California and other academic or government institutions. The staff has access to an extensive library, University of California Agricultural Advisors, university internet sites and a microscope for researching home gardening problems. Home gardeners can bring their questions or specimens to the Help Desk or contact the Helpline by phone or email.
UC Cooperative Extension Office,
5009 Fairgrounds Road
Phone: (209) 966-7078
March - October:
Tuesdays 9:00 am to Noon and
Thursdays 2:00 pm to 5:00 pm.
Winter Hours November - April:
Thursdays 2:00 pm to 5:00 pm
Messages and emails will be promptly responded to.
In addition, gardeners may bring their questions to the Master Gardener Booth at the Farmers Market, the first Wednesday of each month May to October, 5:00 - 6:30 p.m.