9/12/2026
Pressure Can Low-Acid Vegetables: The Only Safe Way to Put Up Beans, Carrots, and Corn
Water-bath canning reaches only 212 degrees, not hot enough to destroy botulism spores in low-acid food. A pressure canner reaches about 240 degrees, which is the only safe way to put up beans, carrots, corn, and most other vegetables. This plain guide explains why low-acid food needs pressure, how a pressure canner works, the exact step-by-step process, and the tested process times for beans, carrots, beets, and corn.