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Posted on Jul 27, 2015 in Seeds | 0 comments

Germination Requirements

Germination Requirements

All seeds require specific soil temperatures in order to germinate. Too hot or cold and they will not sprout.

Minimum
temp (°C)
Preferred
temp (°C)
Days to
germination
Notes
Bean 8-10 16-30 7-13 days
Beetroot 4 10-30 8-14 days
Broad beans 10-14 days
Broccoli 5-9 days
Chinese cabbage 4 7-35 6-10 days
Capsicum/chillis 16 18-35 10-14 days
Carrot 4 7-30 10-21 days
Cauliflower 4 7-30 4-10 days
Celery 4 15-21 14-21 days
Corn 10 16-32 6-10 days
Cucumber 16 16-35 6-10 days
Eggplant 16 24-32 8-13 days
Leeks 10-14 days
Lettuce 2 4-27 6-14 days Needs light to germinate
Marigold
Melons 6-10 days
Onion 2 10-35 10-14 days
Parsley 4 10-30 10-21 days
Parsnip 2 10-21 16-25 days
Pea 4 4-24 7-10 days
Pumpkin 16 21-32 6-10 days
Radish 4 7-32 3-8 days
Silverbeet/Swiss chard 7-14 days
Spinach 2 7-24 10-18 days
Spring onions 10-14 days
Tomato 10 16-30 6-14 days
Zucchini/squash 8-12 days
Watermelon

More information on seed germination

Source: http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/agdex1203

Germination Requirements
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