"Dry enough" means that if you hit them with a hammer, they will shatter. If they smoosh, they're not dry enough, and if you freeze beans with a moisture content that's too high, they will no longer be viable.
I've read that it takes a few days at 0F (chest freezer) to kill weevil eggs, or 2-3 weeks in a refrigerator's freezer compartment (doesn't get down to 0F, but is at least 32F). Has anyone tried a freezer compartment? How long?
I've been saving one variety for several years, and one year I had only 3 beans -- and pretty sorry looking ones. I've found that it pays to try growing what you have if you have a difficult-to-obtain variety.
I store my beans in mason jars so that if weevils hatch in one variety, they won't spread to any others.
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