For early and reliable crops, sow seeds indoors just after the last spring frost. Sow 2 to 3 seeds to 10cm pot and thin to the strongest seed when the vines get to 10 to 12 cm tall. Soil must be warm for proper germination 70°F (21°C). Cool soil will rot the seed. In warmer climates, you may direct sow seeds outdoors as soon as the soil temperature warms in early summer.
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