Germination Times And Temperatures

This chart shows the number of days required for vegetable seeds to sprout at different temperatures.

CROP

32°F

41 °F

50F

59F

68F

77F

86F

95°F

Beans

0

0

0

16

11

8

6

6

Beets

42

17

10

6

5

5

5

Cabbage

-

15

9

6

5

4

-

Carrots

0

51

17

10

7

6

6

9

Cauliflower

-

20

10

6

5

5

-

Corn

0

0

22

12

7

4

4

3

Cucumbers

0

0

0

13

6

4

3

3

Eggplant

13

8

5

-

Lettuce

49

15

7

4

3

2

3

0

Muskmelons

-

-

-

-

8

4

3

-

Onions

136

31

13

7

5

4

4

13

Parsley

-

29

17

14

13

12

-

Peas

-

36

14

9

8

6

6

-

Peppers

0

0

0

25

13

8

6

9

Radishes

0

29

11

6

4

4

3

-

Spinach

63

23

12

7

6

5

6

0

Tomatoes

0

0

43

14

8

6

6

9

Adapted from J. F. Harrington Agricultural Extension Leaflet, 1954.

Charts

CROP

Weeks Before 8 6 4

VERY EARLY SPRING (4-6 weeks before last spring frost)

BROCCOLI CABBAGE PARSLEY PEAS SPINACH CAULIFLOWER LETTUCE (LEAF) LETTUCE (LEAF) ONIONS (SETS)

EARLY SPRING (2-4 weeks before last spring frost)

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