Germination Temperatures for Vegetables

5.5.2018 | 13:18

This table may be useful for early vegetable gardeners:

Table 2. Germination Temperatures for Vegetables and Special Crops

Minimum (°C) Preferred (°C)
bean 8-10 16-30
beet 4 10-30
cabbage 4 7-35
carrot 4 7-30
cauliflower 4 7-30
celery 4 15-21
corn 10 16-32
cucumber 16 16-35
eggplant 16 24-32
lettuce 2 4-27
onion 2 10-35
parsley 4 10-30
parsnip 2 10-21
pea 4 4-24
pepper 16 18-35
pumpkin 16 21-32
radish 4 7-32
rutabaga 4 16-30
spinach 2 7-24
squash 16 21-35
tomato 10 16-30

2 °C = 36 °F                          4 °C = 39 °F           10 °C = 50 °F

Source: Soil Temperature for Germination, Agdex 590-1, Alberta Agriculture and Forestry

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