Build a Basement Root Cellar

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by AdobeStock/Valeriy

The great thing about cabbage, carrots and all the other crops, as described in the fundamentals of root cellaring, is all you need to store them for months is a cold, well-ventilated space. A spare refrigerator works pretty well, but even better and more spacious is a real root cellar. A basement root cellar is convenient and useful.

Traditionally, this cold room was an underground space built under or near the home, insulated by the ground and vented so cold air could flow in and warm air out in the fall. Then when winter temperatures arrived, the vents were closed, and the cellar stayed cold but not freezing.

Most modern basements are too warm for long-term winter storage, but you can create an indoor version of the cellars that have long served homesteaders well by walling off a basement corner and adding the vents, as shown in the drawing above. The two vents create a siphon effect that lets you regulate the flow of cold outside air into the insulated cellar room, allowing the temperature to remain near freezing through the winter months.

DIY Basement Root Cellar Plans

Fred Matlack of Vera Cruz, Pa., developed this nifty design, and the basement root cellar he built in his basement has worked just as he planned. “You just need to watch the temperature to be sure you close the vents before the temperature drops below freezing, which would damage some crops,” Matlack says.

  • Updated on Jun 21, 2023
  • Originally Published on Dec 1, 2004
Tagged with: basement, cold storage, food storage, root cellar, Steve Maxwell
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