Germinating Temperatures

Germinating Temperatures

Germinating Temperatures

“Soil Temperature Conditions for Vegetable Seed Germination”*

Vegetable      Min (°F)  Optimum Range (ºF)  Optimum (ºF)  Max (ºF)

Bean               60                  60-85                         80                  95

Bean, Lima      60                  60-85                         85                  85

Beet               40                   50-85                         85                  85

Cabbage         40                   45-95                         85                 100

Carrot            40                    45-85                         80                  95

Chard, Swiss   40                   50-85                         85                   95

Corn               50                   60-95                         95                  105

Cucumber       60                   60-95                         95                  105

Eggplant          60                   75-90                         85                   95

Lettuce            35                   40-80                         75                   85

Okra                60                   70-95                         95                  105

Onion               35                   50-95                         75                   95

Pea                  40                   40-75                         75                   85

Pepper             60                   65-95                          85                   95

Squash            60                   70-95                          95                   100

Tomato           50                   70-95                          85                     95

Turnip              40                   60-105                        85                    105

Watermelon     60                   70-95                          95                    105 

* From ANR-1061, Alabama Cooperative Extension System, Alabama A & M and Auburn Universities