What is the coldest temperature broccoli can tolerate?
Frost Hardy Among the hardiest vegetables are cole crops, which can tolerate moderate freezes (24 to 28 degrees Fahrenheit) : Broccoli, cauliflower (26 degrees Fahrenheit) Chinese cabbage, cabbage, kale, kohlrabi, turnip. Vegetables that can withstand heavy frost (below 28°F) include spinach, onions, garlic, leeks, rhubarb, rutabaga, broccoli, kohlrabi, kale, cabbage, collards, Brussels sprouts, corn salad, arugula, fava beans, radish, mustard greens, Austrian winter pea and turnip.