Sow at a depth of approx.
0.98 inches (2.5 cm) and aim for a distance of at least
1.95 inches (5.0 cm) between Onion plants. For optimal germination, soil temperature should be a minimum of
13°C / 55°F.
By our calculations, you should look at sowing Stuttgart giant about 28 days before your last frost date.
Stuttgart giant is very hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.
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