Archive Nut, Prune and Olive Programs

Newsletters

 

 Newsletter Articles:

May 2025Archived

 

Field picture submitted by Elizabeth Fichtner

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Publications

UC Cooperative Extension Napa County: Page

Weed Science

PERENNIAL CROPS Weed control and identification Vegetation management Covercrop information FIELD TRIALS WEED CONTROL Timing of herbicide applications Effect of leaf litter on the efficacy of treatments New organic herbicides with organic growersJohn Roncoroni (retired) UC Weed Science Farm Advisor...
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UC Cooperative Extension Napa County: Page

Napa County 4-H Youth Development Program

 4-H Community Clubs Enrollment Timeline for 2026-2027 Program Year4-H Adult Volunteer Enrollment:4-H Adult Volunteers can login and self-enroll in ZSuite at noon on July 14.Adult volunteers, previously enrolled in 2025-2026, may continue to serve the 4-H program through November 30, 2026, using the 5…
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UC Cooperative Extension Napa County: Page

Napa County 4-H Calendar & Events

4-H Events and Deadlines Calendar 2024-2025 updated 2/18/25Date: October 24, 2024 Time: 6:00pm Location: West Park Elementary School Please join us to celebrate and recognize our outstanding 4-H Youth and Adult Volunteers.
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UC Cooperative Extension Napa County: Page

Olives

Premium olive oil production is now a significant industry in Napa County. Napa is second only to Sonoma County in the number of olive growers in California. See the links below for information on olive culture and olive oil production.
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UC Cooperative Extension Napa County: Page

Olive Fruit Fly

Olive Fruit Fly is a serious pest of olives that is now widely distributed throughout California. Control measures are required in most parts of California in order to produce olives that are suitable for oil production or home consumption.
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UC Cooperative Extension Napa County: Page

Food Safety

OUR OFFICE WILL NO LONGER BE OFFERING A FOOD MANAGERS CLASS AND TEST. PLEASE SEE THE LIST FOR OTHER VENDORS WHO OFFER CLASSES AND TESTING. If you have questions regarding this State law, please contact your county Environmental Management Department.
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UC Cooperative Extension Napa County: Page

About UCCE

Napa County Cooperative Extension 1710 Soscol Avenue Suite 4 Napa, CA 94559-1315 Phone: (707) 253-4221 e-mail: cenapa@ucanr.edu Director: Lauren Cartwright Hours of Operation Monday through Friday 8:00 am - 5:00 pm Closed most holidays.
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UC Cooperative Extension Napa County: Page

Contact Us

How to Reach UsOur office is in Soscol Professional Plaza located at 1710 Soscol Avenue, between Umpqua Bank to the south and Central Valley Builders Supply to the north. Get directions using Google Maps.Napa County Cooperative Extension 1710 Soscol Avenue, Suite 4 Napa, CA 94559-1315 Phone: (707)…
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UC Cooperative Extension Napa County: Page

About Cooperative Extension

Across California, the University of Californias 64 Cooperative Extension offices are local problem-solving centers. We are the bridge between local issues and the power of UC research. Our county-based staff is part of the community we live and work in the areas we serve.
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