Before the refrigerator, keeping a winter’s worth of vegetables fresh came down to one simple idea: give them a cool, dark, humid place to rest, and let the earth do the work.
Root cellaring is one of the oldest food storage methods there is, and it’s far more approachable than it sounds. Here’s how it works.
1. Choose the Right Vegetables
Not everything belongs in a root cellar. Hard vegetables with thick skins — potatoes, carrots, beets, turnips, cabbage, and winter squash — traditionally kept best. Soft, high-water produce like lettuce or tomatoes was never meant for this kind of storage.
2. Find (or Create) a Cool, Dark Spot
The ideal root cellar sits between 32 and 40°F, with high humidity and almost no light. An unheated basement corner, a buried barrel, or an insulated box in an attached garage can all mimic these conditions surprisingly well.
3. Pack Them the Old-Fashioned Way
Traditionally, root vegetables were layered in boxes of damp sand, sawdust, or straw, which kept them from touching each other and slowed moisture loss. A few inches of packing material between layers was usually enough.
4. Check In, But Don’t Overdo It
Part of root cellaring is simply checking occasionally for soft spots or sprouting, and pulling anything that’s turning before it affects its neighbors. Beyond that, the vegetables mostly take care of themselves.
5. Know What to Expect
Done well, cabbage can keep for a couple of months, potatoes and carrots for several, and a well-cured winter squash can sometimes last into spring. It’s not indefinite storage, but it’s a remarkably long stretch for zero electricity.
Starting Small
You don’t need a dedicated root cellar to try this. A box of sand in a cool basement corner, stocked with a bag of carrots, is a perfectly good place to begin.
For more traditional storage methods like this one — including techniques that go beyond root vegetables — The Lost SuperFoods walks through 126 forgotten foods and storage methods our ancestors relied on.
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This article is for informational purposes only and describes traditional food storage practices. It is not a substitute for current food safety guidance. This post may contain affiliate links — see our Terms of Service for details.