Ongoing research

Poinsettias - Huntington Beach
UC Master Gardeners of Orange County: Event

Poinsettias - Huntington Beach

Oct 10, 2025

Come visit with a UC Master Gardener of Orange County and learn all about the holiday classic, poinsettias. We'll cover their origins and history, and how to care for them throughout the holidays and beyond. Learn about the many varieties, the conditions they prefer inside and out, their pests and…
UC Master Gardeners of Orange County
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Busy Gardener – Month to Month - Westminister
UC Master Gardeners of Orange County: Event

Busy Gardener – Month to Month - Westminister

Dec 9, 2025

If you are busy (and who isn’t?) and like to garden, this class is for you! Not exactly “speed gardening” – but close – this presentation gives Orange County gardeners the list of top garden jobs for each area of the garden month by month. UC Master Gardeners of Orange County will discuss how to get…
UC Master Gardeners of Orange County
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Roses 101 - Laguna Woods
UC Master Gardeners of Orange County: Event

Roses 101 - Laguna Woods

Dec 9, 2025

Ready to enter the world of rose gardening?  You came to the right place.  UC Master Gardeners of Orange County will cover the basics:  selection, planting, care and feeding, integrated pest management and pruning.  Learn which rose is right for you and how to care for it. Free, open…
UC Master Gardeners of Orange County
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Monarch Nature Trail - Huntington Beach
UC Master Gardeners of Orange County: Event

Monarch Nature Trail - Huntington Beach

Dec 6, 2025

Come join us for a morning of outdoor fun at the Monarch Nature Trail in Huntington Beach! Volunteering at the MNT is a great way to learn more about Orange County's butterfly population as well as the native plants they depend on for survival. We have volunteer tasks for all ages including watering,…
UC Master Gardeners of Orange County
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CALE Equitable Land Access in Action Event
UC Cooperative Extension San Diego County : Event

Equitable Land Access in Action: Partner Plans & Resources Meeting

Dec 12, 2025

Join UC Agriculture and Natural Resources (UC ANR) and American Farmland Trust on Friday, December 12, from 10:00 am to 12:00 pm for the Equitable Land Access in Action: Partner Plans & Resources event. This virtual opportunity will explore new collaborations, resources, and outreach…
UC Cooperative Extension San Diego County
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Nematodes infecting bean roots. (Image by Pallavi Shakya)
Bug Squad: Article

Important Nemadode Research Published

November 19, 2025
By Kathy Keatley Garvey
 Plant-parasitic nematodes rarely draw national headlines, but this newly published research should.First, what's a plant-parasitic nematode?As UC Davis nematologist Shahid Siddique, an associate professor with the UC Davis Department of Entomology and Nematology explains: "Plant-parasitic nematodes are…
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Gerry Spinelli with UC Advisors
UC Cooperative Extension San Diego County : Event

Last Wednesday Meeting - Plant Nutrition for Nurseries and Floriculture

Nov 26, 2025

We will talk about essential elements, balance of nutrients, mobile and immobile nutrients, common deficiency symptoms, sampling methods for electrical conductivity, pH and their role in affecting plant nutrition. We will end with a demonstration of the Pour-Through method.
UC Cooperative Extension San Diego County
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UC Master Gardeners of San Diego County: Page

Houseplants

Happy Houseplants, Happy Home by Lisa Stewart - Click here  
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Agritourism Field Tour San Diego
UC Cooperative Extension San Diego County : Event

San Diego Region AgriTourism Gathering

Dec 3, 2025

Growing Together:Unlocking the Hidden Economy of AgritourismDiscover the Power of Agritourism as an Economic Development Strategy Across California, agritourism is creating jobs, diversifying farm income, and strengthening the connection between rural and urban communities. Yet the full potential of…
UC Cooperative Extension San Diego County
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