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Home Canning Guidance

All Home Canning Guidance Content

Three canning jars filled with cucumber slices.

Safe Canning Recipes

One of the most common errors in home canning is not using a scientifically tested recipe. Canning a family recipe is risky as it can cause spoilage and foodborne illness.

Botulism testing supplies arranged in a lab.

Canners Beware: Botulism

Botulism is a serious, rare illness that is caused by a toxin produced by the bacteria Clostridium botulinum. Botulism is a concern when it comes to canning and fermenting foods, as the anaerobic conditions can cause the Clostridium botulinum spores to create a harmful toxin.

Blue-tinted antique canning jars in a brown box.

Canning Jar Update

Before you start canning, take some time to learn the latest canning jar safety updates, including safe jar types, lid selection and handling practices.

dial on a pressure canner

Altitude Adjustments for Home Canning

There are many guidelines to follow when canning, an important one often overlooked is checking one’s need to adjust for altitude.

Cover of the USDA Complete Guide to Home Canning

Importance of Evidence-based Food Preservation and Where To Find Information

The key to a safe and delicious product starts with the preservation recipe. View some recommended resources that offer safe, evidence-based recipes and step-by-step preservation method procedures.

To small pumpkins sitting on a kitchen counter.

Preserving Pumpkin

Pumpkins are a staple for the fall season. They can often be seen used to decorate homes or for carving jack-o'-lanterns, but they’re great to eat or can for later too!

A pressure dial for home canning with altitude adjustments for zones 1 through 3.

Steam Canning

Steam canning is a quick and simple method of preserving produce using steam. While steam canning was previously not an evidence-based practice, recent research indicates steam canning may be a safe home food preservation method for canning naturally acidified foods.

Canning supplies arranged on a kitchen counter.

Canning With Less Sugar

As low and no-added-sugar food products have become increasingly popular, new alternative canning recipes have been created. It is possible to preserve fruits with little or no added sugar, which is great for those who prefer reduced calories.

Several jars of canned jellies lined up on a pantry shelf.

Canning Jams and Jellies

Sweet fruit products like jelly, jam, preserves, conserves and marmalades are jellied or thickened and preserved by sugar. The differences between the fruit products are categorized by the way they are prepared, proportions of fruit, pectin, acid and sugar in the mixture and the method of cooking.