06/10/2026
Choosing the correct canning jars is crucial to ensure safe and successful canning. Jars specifically made for canning are tempered for high temperatures, helping reduce the risk of breaking or shattering from thermo shock or pressure during canning. They also ensure proper heat distribution during processing, and help create a good vacuum seal. Learn more about selecting and preparing jars before canning season begins. go.iastate.edu/NW6XT6