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Los Angeles County Programs

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UC Cooperative Extension develops and implements community-based educational programs that address the critical needs of the county's diverse and multiethnic population.

Staff and volunteers provide and encourage the use of current research-based information in the areas of nutrition, youth development, urban gardening, horticulture and the environment.


Check out our map of our activities throughout Los Angeles County.

Protect California citrus from a serious pest and disease

UC Cooperative Extension in Los Angeles County is encouraging all Southland residents to check the new growth on their citrus trees for Asian citrus psyllids and take action if they are found. Watch the four-minute video above and read more here.

Event Name Date

Contact Information

County Director:
Keith Nathaniel, Ed.D.

UC Cooperative Extension,
Los Angeles County
700 W. Main Street
Alhambra, CA 91801
Phone: (626) 586-1971
Fax: (626) 943-3840

Antelope Valley/Lancaster Office
335 East Avenue K-10, Suite 101
Lancaster, CA 93535
Phone: (661) 974-8824
Fax: (661) 723-3751