When Composting Goes Rotten
In this webinar, learn the common mishaps to avoid when composting as well as how to manage pests when they arrive.
Urban & Community IPM Webinars
Welcome to UC IPM's Urban & Community Webinar Series!
Join us at noon on the third Thursday of every month to learn about pest identification, prevention, and management around the home, garden, and landscape. This series is free and open to the public but advance registration is required. All webinars before March 2026 were recorded and posted to our YouTube playlist.
Due to new federal ADA accessibility compliance rules, after March 15, 2026, we will no longer be posting recordings of these webinars.
Please share with others who may be interested. These webinars qualify as continuing education for UC Master Gardener volunteers. No continuing education units (CEUs) are available for licensed professionals.
Contact us at ucipm-community@ucanr.edu if you have any questions.
2026 Webinar Schedule
We’re excited to bring you a new lineup of speakers, and we invite you to check back or follow us on social media (Facebook, Instagram, Bluesky) @ucipmurban for upcoming webinar announcements and to stay up to date on the latest news and resources from UC IPM.
Schedule and Topics:
Topics and speakers are subject to change.
June 18, 2026 - When Composting Goes Rotten
Decomposition is a natural process that's happening in your garden constantly! Despite that, managing our compost piles gets complicated, and we encounter pests and problems. Learn the common mishaps to avoid when composting, as well as how to manage pests when they arrive.
Speaker: Kevin Marini, UC Cooperative Extension, Placer and Nevada Counties
July 16, 2026 - Update on Asian Citrus Psyllid in California
Join citrus IPM adviser Dr. Sandipa Gautam, for an update on Asian citrus psyllid (ACP). Learn about practical ways to limit psyllid infestations in home gardens and landscapes. The webinar will also cover identification, management strategies, and steps you can take to minimize the spread of this pest in your community.
Speaker: Dr. Sandipa Gautam, Citrus IPM Advisor, Lindcove Research and Extension Center
August 20, 2026 - Rose Cultural Practices, Abiotic Disorders and Diseases
In this webinar, rose care expert and retired UC Cooperative Extension advisor John Karlik will cover cultural practices for healthy roses, including fertilization and weed control. Rose diseases will be covered with special attention to rose rosette, a debilitating virus disease.
Speaker: John Karlik, Environmental Horticulture Advisor, Kern County (emeritus)
September 17, 2026 - Palm Diseases
Many different diseases can attack landscape palms in California. Giving your landscape palms the care they need can significantly reduce the chances of disease development and help reduce any long-term impacts. In this webinar, learn about common palm diseases and the best strategies for management using an integrated approach that combines prevention, exclusion, sanitation, selection, and cultivation.
Speaker: Don Hodel, Environmental Horticulture Advisor, LA County (emeritus)
October 15, 2026 - Pests on Palms and Other Trees
Description Coming Soon!
Speaker: Don Hodel, Environmental Horticulture Advisor, LA County (emeritus)
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Visit the UC IPM website for pest management resources & information.
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Upcoming Events
Update on Asian Citrus Psyllid in California
Join citrus IPM adviser Dr. Sandipa Gautam, for an update on Asian citrus psyllid (ACP) and Huanglongbing (HLB). The webinar will also cover identification and management strategies.
Rose Cultural Practices, Abiotic Disorders and Diseases
In this webinar we will review aspects related to growth of outdoor rose plants, including cultural practices such as fertilization and weed control.
Palm Diseases
In this webinar, learn about common palm diseases and the best strategies for management using an integrated approach that combines prevention, exclusion, sanitation, selection, and cultivation.