Climate Chart for Root Cellar Produce Don’t freeze your farm fresh veggies! Follow these optimal climate conditions for produce. (Find out: What is a root cellar?
Environment | Temp. (F) | Humidity | Crop | ||
Cold/very moist | 32-40 degrees | 90–95% | Carrots, beets, celery, Chinese cabbage, kohlrabi, Brussels sprouts, rutabagas, turnips, collards, leeks, broccoli and Jerusalem artichokes | ||
Cold and moist | 32-40 degrees | 80–90% | Potatoes, cabbage, cauliflower, apples, grapes, oranges, pears, endive and grapefruit | ||
Cool/fairly moist | 40-45 degrees | 85–90% | Cucumbers, sweet peppers, cantaloupe, watermelon, eggplant, ripe tomatoes and cheese | ||
Cool and dry | 35-40 degrees | 60–70% | Garlic, onions, beans, canned foods, grains nuts, smoked fish and meat | ||
Fairly warm/dry | 50-60 degrees | 60–70% | Dry hot peppers, pumpkins, winter squash, sweet potatoes and green tomatoes | ||