Master Gardeners are trained volunteers for the University of California Cooperative Extension (UCCE). They are residents of a local community who have an active interest in horticulture, have taken the Master Gardener training offered by the UCCE, and now share their knowledge with other members of that community. Got a home gardening question? Ask the Contra Costa Master Gardeners! Help Desk is staffed every week, Monday-Thursday 9am-Noon. Options: Visit during Help Desk hours. Call hotline — If you call outside Help Desk hours, please leave both your phone number and email address. Email — Please use email if you want to submit photos along with your question(s). Please include the following information in your email: Your name, phone number and city (very important!). A description of the problem, including name of the plant if applicable, when the problem began, and cultural history such as watering, fertilizing, pruning, pesticides, etc. Photographs of the problem, if possible and appropriate.