Glassy winged sharpshooters have been found on grape vines sold at Napa Costco. Glass winged sharpshooters carry Pierce's disease which can be devastating to Napa grape crops. Glassy winged sharpshooters can live on many plants, not just grape vines. If you have purchased ANY plants from the Napa Costco recently,
PLEASE ready and follow the guidance from the Napa County Agricultural Commissioner
Got a plant problem or general gardening question? Your Napa County Master Gardeners are here to help! Simply complete the Plant Problem Help Form and we'll research your question and contact you with the results. For best results with plant problems, please attach at least one photo showing the problem with your plant.
Learn more about the Master Gardener Help Desk
Attend our free UC Master Gardener workshops and demonstrations to learn expert tips and hands-on gardening techniques for a thriving garden all year round!
Preparing for wildfire takes a careful understanding of the types of exposures that our homes, landscapes, and properties experience during wildfire. It is critical to understand the fire risk to your home and your community. Generally, homes can survive wildfires by having a well-developed and well-maintained defensible space and using appropriate materials and installation details on the home. It is important for you to assess your situation and identify potential risks.
Attend one of our informational sessions to find out how.
Master Gardener Volunteers are adults of all ages who are willing to learn, volunteer, and be involved; some knowledge of plants and gardening is an asset. Master Gardener Volunteers are well trained and enthusiastic individuals capable of imparting their knowledge to diverse groups of people in a wide range of community settings.
Information on our Master Gardener Trainee Class
Gardening Resources Need a Speaker? Community Gardens
Banner photo courtesy of Napa County Master Gardeners
1710 Soscol Ave
Suite 4
Napa, CA 94559
United States