What Is The Coldest Temperature That Vegetable Plants Can Handle?

A frost of 32 degrees Fahrenheit or below will kill delicate vegetables such as tomatoes, peppers, beans, melons, peas and squash, notes the Texas A&M AgriLife Extension. Temperatures between 26 and 31 degrees may harm the foliage but will not kill cold-temperature vegetables such as lettuce, broccoli, cabbage and cauliflower. Spinach, carrots, kale and parsley especially can survive cold weather.