Ridgerunner
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I've never canned plums but have canned peaches. Typically with plums I make plum jam or jelly or use them to make chutney.
There are two basic types of canning. One is pressure canning which gets temperatures up high enough to kill botulism. That requires special equipment. The other is water bath canning, That's where the acidity (pH) of the product keeps botulism from growing. You need a way to cover the jars with boiling water but don't really need that much special equipment. You probably have stuff you can use.
It's important to follow the canning recipes. Plums probably have enough acidity to preserve themselves in water bath canning. Some recipes for some fruits require adding acid, usually vinegar or lemon juice. Canning appears to be intimidating until you do it, then you realize it's just a process. Fruits, jams, jellies, and pickled products can be water bath canned.
There are two basic types of canning. One is pressure canning which gets temperatures up high enough to kill botulism. That requires special equipment. The other is water bath canning, That's where the acidity (pH) of the product keeps botulism from growing. You need a way to cover the jars with boiling water but don't really need that much special equipment. You probably have stuff you can use.
It's important to follow the canning recipes. Plums probably have enough acidity to preserve themselves in water bath canning. Some recipes for some fruits require adding acid, usually vinegar or lemon juice. Canning appears to be intimidating until you do it, then you realize it's just a process. Fruits, jams, jellies, and pickled products can be water bath canned.