Frost-Resistant Vegetables: How Low Can They Go?
Jan 03, 2025
Temperatures in the low 20s are forecasted for much of North Texas. If you, like me, have a garden full of cool-season vegetables, you might be wondering which ones need to be covered and which ones will survive.
Here is a helpful chart that outlines the lowest tolerable temperatures for many popular garden vegetables.
Keep in mind: ALWAYS cover anything that you are worried about. It's not worth losing sleep!
| Vegetable | Lowest Tolerable Temperature (°F) |
|---|---|
| Kale | 20 |
| Collards | 20 |
| Onions | 20 |
| Spinach | 20 |
| Cabbage | 20 |
| Brussels Sprouts | 20 |
| Garlic | 20 |
| Turnips | 26 |
| Broccoli | 26 |
| Mustard Greens | 26 |
| Parsnips | 26 |
| Carrots | 28 |
| Chard | 28 |
| Peas | 28 |
| Radishes | 28 |
| Potatoes | 28 |
| Cauliflower | 30 |
| Lettuce | 32 |
| Tomatoes | 32 |
| Bell Peppers | 32 |
| Eggplant | 32 |
Don't forget that even though we are in the middle of winter, there is still much to be done in the garden! Stay on track with our one-of-a-kind garden planner.
Also, our Winter Semester is now enrolling! Don't miss the best gardening education available anywhere in Texas. Learn more here.