UC Master Gardener Program of San Diego CountyFall Plant Sale September 20, 20259 am - 3 pm at Balboa ParkHundreds of Gardener-grown Plants for Sale Plus Live Demonstrations and Educational OpportuntiesSan Diego, Calif. – The University of California (UC) Master Gardener Program of San Diego County will be…
The dotted paropsine leaf beetle (Paropsis atomaria), an invasive pest native to Australia, was first discovered in California in 2022 and is rapidly spreading throughout Southern California targeting eucalyptus trees. Both adult beetles and their larvae feed on eucalyptus leaves, causing significant…
Our annual Spring Garden Fair is held at our Martial Cottle Park Demonstration Garden in San Jose. You can shop our plant sale, stroll through our gardens, attend a talk, and bring your plant, soil, pest, and tool questions to our Information tables.
Discover the benefits of growing California native plants! Learn how to create a sustainable garden that supports local wildlife and thrives in California's climate.
Explore how to use artistic color in garden design to create vibrant, harmonious spaces. Tips on selecting colors to enhance your garden's beauty and mood.
The flowers and other ornamental plants that we offer at the Spring Garden Fair have been trialed at our research gardens to select varieties that perform particularly well in our climate, with an eye towards ones that are beautiful and long-lasting in flower arrangements. We offer an especially large array…
Christmas tree production has become a lucrative farming business in the foothills attracting more and more growers. The Emeritus Advisor, Lynn Wunderlich, has previously had worked with farms to determine more resilient species and completed a Christmas Tree Cost Study 2005.
Program OverviewThe Plant Pathology Program provides applied research and outreach to support agricultural production across Imperial, Riverside, and San Diego counties. This tri-county region encompasses a wide diversity of crops and growing conditions—from the desert-irrigated systems of Imperial Valley to…
