Vegetables     Prefer. Air Temp    Min. Soil Temp Frost Tolerance
    ° C ° F ° C ° F  
             
Arugula annual 4.5 – 13 40 – 55 4.5 40 half-hardy
Bean annual 21 – 27 70 – 80 15.5 60 tender
Beet biennial 10 – 29 50 – 85 4.5 40 half-hardy
Broccoli annual 7 – 24 45 – 75 4.5 40 hardy
Brussel sprouts biennial 7 – 24 45 – 75 4.5 40 hardy
Cabbage biennial 15.5 – 29 45 – 85 4.5 40 hardy
Carrot biennial 10 – 29 50 – 85 7 45 half-hardy
Cauliflower biennial 15.5 – 29 45 – 85 4.5 40 half-hardy
Celery biennial 15.5 – 21 60 – 70 10 50 half-hardy
Collards annual 15.5 – 29 45 – 85 4.5 40 hardy
Corn annual 18 – 29 65 – 85 15.5 60 tender
Cucumber annual 18 – 29 65 – 85 15.5 60 very tender
Eggplant annual 21 – 29 70 – 85 18.3 65 very tender
Kale biennial 15.5 – 29 45 – 85 4.5 40 hardy
Leek biennial 13 – 24 55 – 75 4.5 40 hardy
Lettuce annual 4.5 – 21 40 – 70 4.5 40 half-hardy
Melon annual 27 – 38 80 – 100 15.5 60 very tender
Mustard annual 4.5 – 21 40 – 70 4.5 40 half-hardy
Onion (seed) biennial 13 – 24 55 – 75 4.5 40 hardy
Parsnip biennial 10 – 29 50 – 85 10 50 half-hardy
Pea annual 15.5 – 18 60 – 65 4.5 40 hardy
Pepper annual 21 – 35 70 – 95 15.5 60 very tender
Potato annual 15.5 – 18 60 – 65 4.5 40 half-hardy
Pumpkin annual 15.5 – 38 60 – 100 18 65 very tender
Radish annual 13 – 29 55 – 85 4.5 40 half-hardy
Spinach annual 1.5 – 24 35 – 75 4.5 40 hardy
Squash annual 18 – 24 65 – 75 15.5 60 very tender
Swiss chard biennial 4.5 – 35 40 – 95 10 50 half-hardy
Tomato annual 15.5 – 35 60 – 95 15.5 60 tender
Turnip biennial 7 – 29 45 – 85 4.5 40 hardy