variety of home canned products

Preserve the Harvest 2025

Food Preservation Classes  / Online and In-person

New to the science of food preservation? Been a few years since you’ve canned? Learn about the most recent research and changes to home food preservation procedures along with links to plenty of safe, tested recipes. This series of six classes teaches safe food preservation techniques, on Zoom, with real-time live demonstrations. Limited spots also available to attend in the classroom as well. This series will provide you with the scientific background, preparation tips, and safe processing methods to preserve food at home.

Classes are on Wednesdays, 6-8pm

  • June 11 – Basics of Safe Canning
  • June 25 – Basics of Dehydrating and Freezing 
  • July 9 – Jams, Jellies, Spreads
  • July 23 – Pickles
  • August 6 – Tomatoes, Salsa and Relish
  • August 20 – Basics of Pressure Canning

Classes are $10 each

If the class fee presents a financial barrier, please contact rosy.smit@wsu.edu or 425-357-6024

Reasonable accommodations will be made for persons with disabilities and special needs who contact Rosy Smit at 425-357-6024 or rosy.smit@wsu.edu at least three weeks prior to the event date.

Extension programs and policies are consistent with federal and state laws and regulations on nondiscrimination regarding race, color, gender, national origin, religion, age, disability, and sexual orientation. Evidence of non-compliance may be reported through your local Extension Office.

Home food preservation can help make fruits, vegetables and food budgets last longer.

Grow your own at home with help from our Growing Groceries Resources and/or visit one of the many Farms and Farmers Markets in our region and start preserving local food from local farms.

Publication on low sugar/low sodium canning!

Food Preservation for Special Diets FS359E (pdf)

This publication provides a synopsis of the changes you can, and cannot, safely make to the sugar and sodium content when preserving foods at home.

Food Preservation Resources

When preserving foods at home, be sure to use research-based, laboratory tested, up-to-date recipes like the following:

Fruit

Vegetables

Meat, Fish, Poultry, & Game

Take Care of Your Pressure Canner!

Use, Care, and Operation of Your Pressure Canner PNW421 (pdf)

Other Topics

Pressure Canner Dial Gauge Testing

dial gauge canner

Pressure canner dial gauges should be tested once a year to be sure they are accurate.

Weighted gauge canners do not need to be tested.

More information on Dial Gauge canners, testing locations & hours

WSU Recursos de Preservación de Alimentos

USDA Food Preservation Resources