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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 GERMINATION1Top


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 TRANSPLANTING1Top


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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