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Coronavirus COVID-19

COVID-19 Advisory: WSU Extension is working to keep our communities safe. All Extension programming is being provided virtually, postponed, or canceled. Effective March 16, 2020, WSU Extension county offices and WSU Research & Extension Centers will be closed to the public. We are available via email, phone, and webconference.

Food Preservation


Welcome to WSU Clark County Extension Food Preservation, your source for current research-based information, publications and recipes.

Food can be preserved in many different ways including freezing, canning and dehydrating which allows you to preserve the bounty from your garden, farmers market, gleaning and other sources year round.  To take advantage of this bounty however; you need to have a trusted source of publications, literature and recipes. The sources listed below will tell you the latest and best method of preservation and the proper steps, times and ratio of ingredients to ensure a high quality, safe product that has been lab tested to ensure its safety for your family.

Safe Canning Books

*Available for purchase at the Clark County Extension Office

PNW Extension Publications

Fruits & Vegetables

Meat, Poultry & Seafood


Spanish Publications

Safe Food Preservation Sites


Frequently Asked Questions

Have you wondered what causes liquid loss in jars of home canned fruits and vegetables?  Or when you canning are you assured that your food is safe to eat when the jar seals?  And why do I have to vent my pressure canner?  Find the answers to these questions and more on our Frequently Asked Questions page!


Learn More About Home Food PreservationPreserve_The_Taste_Of_Summer

Would you like to learn more about home food preservation?  Do you want to learn about preserving food safely?  WSU offers a wide variety of educational programs including “Preserve the Taste of Summer” online course, “You Can!” Food Preservation series  to meet the needs of the general public.


Our pages provide links to external sites for the convenience of users. WSU Extension does not manage these external sites, nor does Extension review, control, or take responsibility for the content of these sites. These external sites do not implicitly or explicitly represent official positions and policies of WSU Extension.

Food Preservation
Food Safety Questions?

Contact us via our
Food Preservation & Safety HelplineCall Food Safety and Preservation Hotline @ 360-397-6060 ext.5366564-397-
Monday thru Friday

Upcoming Classes




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Contact Us

Zena Edwards
Food & Nutrition Faculty
1919 NE 78th St Vancouver, WA
(564) 397-5700