From TAMU:
- In general, a frost (31-33 degrees F.) will kill:
- beans,
- cantaloupe,
- corn,
- cucumbers,
- eggplant,
- okra,
- peas,
- pepper,
- potatoes,
- sweet potatoes,
- squash,
- tomatoes, and
- watermelon.
- Colder temperatures (26-31 degrees F.) may burn foliage but will not kill:
- broccoli,
- cabbage,
- cauliflower,
- chard,
- lettuce,
- mustard,
- onion,
- radish, and
- turnip.
- The real cold weather champs are:
- beets,
- Brussels sprouts,
- carrots,
- collards,
- kale,
- parsley, and
- spinach.
Below two lists are from https://www.hortmag.com/weekly-tips/frost-tolerant-garden-vegetables
- Semi-hardy vegetables are those which can survive repeated light frosts in the 30–32 degree F range include:
- beets,
- Chinese cabbage,
- cauliflower,
- celery,
- collards,
- green onions,
- potatoes,
- Bibb and leaf lettuce,
- mustard,
- parsnips,
- radishes,
- spinach, and
- Swiss chard.
- Hardy vegetables are those that can survive temperatures as low as 20 degrees F before finally being killed include:
- cabbage,
- broccoli,
- brussels sprouts,
- carrots,
- kale,
- leeks,
- rutabagas and
- turnips.
