This collection of documents from University Extension offices nationwide provides information on and examples of refrigeration and freezing preservation methods.
Research on food preservation is ongoing – recommendations may have changed since the release of some documents. Please refer to the National Center for Home Food Preservation for the most current recommendations.
Topics on this page:
Overview
- Freezing Fruits and Vegetables, Oregon State University Extension, 2023
- Freezing Basics, University of Missouri Extension, 2021
Vegetables
- Freezing Vegetables, North Dakota State University Extension, 2021
- Asparagus: Canning, Freezing, Pickling, Penn State University Extension, 2025
- How to Preserve Green and Yellow Beans, Penn State University Extension, 2023
- Snap Beans, Penn State University Extension, 2019
- Sweet Corn, Penn State University Extension, 2019
- Preserving Sweet Corn Successfully, Penn State University Extension, 2025
- Cucumbers, Kansas State Research and Extension, 2024
- Freezing Herbs, Penn State University Extension, 2025
- Garlic: Safe Methods to Store, Preserve, and Enjoy, University of California, Agriculture & Natural Resources, 2016
- Peppers, Kansas State Research and Extension, 2024
- Potatoes and Sweet Potatoes, Penn State University Extension, 2023
- Sweet Potato Basics, Clemson University Cooperative Extension, 2022
- Preserving Mushrooms, Oregon State University Extension, 2025
- Preserving Peas, Penn State University Extension, 2023
- Preserving Rhubarb, Penn State University Extension, 2025
- Preserving Spring Greens, Clemson University Cooperative Extension, 2018
- Preserving Root Vegetables, Clemson University Cooperative Extension, 2014
- Root Vegetables - Beets, Carrots, Turnips, and Rutabagas, Penn State University Extension, 2023
- Squash and Pumpkin, Penn State University Extension, 2023
- Zucchini, Penn State University Extension, 2023
Fruits
- Freezing Fruits, Penn State University Extension, 2018
- Freezing Fruits, North Dakota State University Extension, 2021
- Apples, Kansas State Research and Extension, 2024
- Blueberries, Penn State University Extension, 2023
- Cherries, Penn State University Extension, 2023
- Preserving Cranberries, Penn State University Extension, 2023
- Gooseberries, University of Alaska Fairbanks Cooperative Extension, 2022
- Melons, Michigan State University Extension, 2023
- Peaches, Apricots, Nectarines, Penn State University Extension, 2023
- Preserving Pears, Penn State University Extension, 2023
- Freezing Strawberries, Penn State University Extension, 2023
- Tomatoes, Kansas State Research and Extension, 2024
Proteins
- Canning and Freezing Venison, Penn State University Extension, 2024
- Wild Side of the Menu No. 2: Field to Freezer, North Dakota State University Extension, 2022
- Preserving Your Catch & Purchase, North Carolina State Extension, 2025
- How to Freeze Meat, Poultry, Fish, Eggs and Dairy Products, University of Missouri Extension, 2021
Prepared Foods
- How to Freeze Home-Prepared Foods, University of Missouri Extension, 2021
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