The refrigerator drawer is the perfect environment for roots. Keep them in a plastic bag to retain moisture. In large quantities, store beets in dark place that is 38-42 degrees F and 90 percent humidity. Common places that work well are a basement (away from the furnace), garage, root cellar, or a dark and cool closet or kitchen cupboard close to the floor.
Beets are very low in Saturated Fat and Cholesterol. It is also a good source of Vitamin C, Iron and Magnesium, and a very good source of Dietary Fiber, Folate, Potassium and Manganese.
Information from Siskiyou Cooperative