Garden Troubleshooting

 Attention grape growers:In April and June of this year, Northern California Costco's received shipments of plant material infested with glassy-winged sharpshooters (GWSS). These invasive insects can transmit a grapevine disease, Pierce's disease, that could cause important consequences for the grape…

If you plan it, you can do it. Discover tips and tricks to transform your gardening space, no matter how small, using ornamental plants. Enhance your garden to make an impact with various shapes, textures, and colors of plants. UC Master Gardeners of Orange County will discuss soil, integrated pest…

You could plant from dawn to dusk and still not plant every variety of tomato! Whether you are a novice or a pro, you’ll enjoy learning about tomatoes: their history and some fun facts, the many varieties, their culture, diseases and pests, growing in the ground vs. growing in containers – and finally,…

If you grow food, chances are you are sharing your harvest with some uninvited four-legged guests! From bunnies to rats and everything in between, backyard rodents can quickly turn your garden bounty into their personal buffet. In this class, UC Master Gardeners will give you the inside scoop on how…

Garden Talk Online: Supporting Pollinators. In this online class master gardeners will be discussing: Who are the pollinators, How to attract pollinators, What plants support pollinators,  Why you may want a pollinator habitat.

Join Master Gardener Steve Savage to learn about this invasive weed that has taken over large portions of California’s range land and urban landscape. Learn about its origins, how it moves, why it is so difficult to control, how to overcome these difficulties, control methods, and how to design an effective…

Eww, gross!  Is that what you think about those insects in your garden?   Learn multiple techniques for effective pest control that are the least toxic for your home environment.  UC Master Gardeners or Orange County will provide you with the latest information on a variety of methods to keep…

This webinar is part of an invasive weed species miniseries. Dr. Chris McDonald, UC Cooperative Extension Inland and Desert Natural Resources Advisor, will cover the biology, spread, and management of several common weeds in Southern California, including invasive annual grasses, mustards, and difficult to…

This webinar is part of an invasive weed species miniseries. Dr. Whitney Brim- Deforest, University of California Cooperative Extension Rice and Wild Rice Advisor, Sutter-Yuba Counties, will focus on the history of Ludwigia decurrens (winged primrose willow) in California, as well as the mapping efforts and…

This webinar is part of an invasive weed species miniseries. Thomas Getts, UC Cooperative Extension Weed Ecology and Cropping Systems Advisor (Lassen, Modoc, Sierra, and Plumas Counties), will describe the biology, impacts, and control of some of the more common and damaging invasive weed species in the…