VEGETABLE GARDEN: SEED
FOR THE GARDEN [continued]
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MG
Manual Reference
Ch.10, pp. 13 - 14 |
[Seed for the Garden:
seed | soil temperature ]
Table 10.3
SOIL TEMPERATURE CONDITION
FOR VEGETABLE SEED GERMINATION1
| VEGETABLE |
MIN.
(°F) |
RANGE
(°F) |
OPTIMUM
(°F) |
MAX
(°F) |
DAYS TO
GERMINATION |
| ASPARAGUSa |
50° |
60° - 85° |
75° |
95° |
21 - 30 |
| BEANd |
60° |
60° - 85° |
80° |
95° |
7 - 14 |
| BEAN LIMAe |
60° |
65° - 85° |
85° |
85° |
10 - 14 |
| BEETb |
40° |
50° - 85° |
85° |
95° |
7 - 14 |
| CABBAGEa, b |
40° |
45° - 95° |
85° |
100° |
7 - 10 |
| CARROTb |
40° |
45° - 85° |
80° |
95° |
10 - 21 |
| CAULIFLOWERa, b |
40° |
45° - 85° |
80° |
100° |
3 - 10 |
| CELERYa |
40° |
60° - 70° |
70° |
85° |
14 - 21 |
| CHARD SWISSb |
50° |
50° - 85° |
85° |
95° |
7 - 14 |
| CORNd |
50° |
60° - 95° |
95° |
105° |
7 - 10 |
| CUCUMBERc, d |
60° |
75° - 95° |
95° |
105° |
7 - 10 |
| EGGPLANTc |
60° |
40° - 80° |
85° |
95° |
7 - 12 |
| LETTUCEa |
35° |
40° - 80° |
75° |
85° |
7 - 14 |
| MUSKMELONe |
60° |
75° - 95° |
90° |
100° |
7 - 10 |
| OKRAe |
60° |
70° - 95° |
95° |
105° |
8 - 12 |
| ONIONa |
35° |
50° - 95° |
75° |
95° |
10 - 14 |
| PARSLEYb |
40° |
50° - 85° |
75° |
90° |
10 - 21 |
| PARSNIPb |
35° |
50° - 70° |
65° |
85° |
14 - 21 |
| PEAb |
40° |
40° - 75° |
75° |
85° |
8 - 10 |
| PEPPERc |
60° |
65° - 95° |
85° |
95° |
14 - 21 |
| PUMPKINd |
60° |
70° - 90° |
95° |
100° |
7 - 10 |
| RADISHb |
40° |
45° - 90° |
95° |
95° |
3 - 7 |
| SPINACHb |
35° |
45° - 75° |
70° |
85° |
7 - 10 |
| SQUASHd |
60° |
70° - 95° |
95° |
100° |
9 - 12 |
| TOMATOc |
59° |
60° - 85° |
85° |
95° |
5 - 14 |
| TURNIPb |
40° |
60° - 105° |
85° |
105° |
6 - 7 |
| WATERMELONe |
60° |
70° - 95° |
95° |
105° |
7 - 10 |
|
1Compiled by J.F.
Harrington, Dept. of Vegetable Crops, University of California,
Davis.
2Daily fluctuation to 60° or lowers at night is
essential |
aHardy vegetables to grow
as transplants.
bHardy vegetables for direct seeding.
cTender vegetables to grow as transplants.
dTender vegetables for direct seeding.
eTender vegetables for direct seeding, 2 weeks after
last frost. |
Table 10.4
TEMPERATURES AND TIMES REQUIRED FOR GROWING
PLANTS FOR FIELD TRANSPLANTING1
| Vegetable |
Day2
(°F) |
Night
(°F) |
Time
(weeks) |
| Asparagus |
70° - 80° |
65° - 70° |
8 - 10 |
| Broccoli |
60° - 70° |
50° - 60° |
5 - 7 |
| Brussels Sprouts |
60° - 70° |
50° - 60° |
5 - 7 |
| Cabbage |
60° - 70° |
50° - 60° |
5 - 7 |
| Cauliflower |
60° - 70° |
50° - 60° |
5 - 7 |
| Celery |
65° - 75° |
60° - 65° |
10 - 12 |
| Sweet Corn |
70° - 75° |
60° - 65° |
3 - 4 |
| Cucumber |
70° - 75° |
60° - 65° |
3 - 4 |
| Eggplant |
70° - 80° |
65° - 70° |
6 - 8 |
| Lettuce |
70° - 80° |
50° - 55° |
5 - 7 |
| Muskmelon |
70° - 75° |
60° - 65° |
3 - 4 |
| Onion |
60° - 65° |
55° - 60° |
10 - 12 |
| Pepper |
65° - 75° |
60° - 65° |
6 - 8 |
| Summer Squash |
70° - 75° |
60° - 65° |
3 - 4 |
| Tomato |
70° - 75° |
65° - 75° |
5 - 7 |
| Watermelon |
70° - 80° |
65° - 70° |
3 - 4 |
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