Sweetcorn
Zea mays
Sweetcorn is a tall, annual grass cultivated for its edible kernels. It thrives in sunny locations with fertile soil and is best eaten fresh. The cobs can be grilled, boiled, or roasted, and the kernels used in various culinary dishes.
Quick Information
Planting Calendar
Growing Guide for
1 Sow seeds indoors
Sow seeds indoors, 2.5-4cm deep in seed starting mix. Keep soil moist and warm.
2 Sow seeds outdoors
Sow seeds outdoors, 2.5-4cm deep, when soil temperature reaches 10°C (50°F).
3 Harden off seedlings
Gradually acclimate indoor-sown seedlings to outdoor conditions before transplanting.
4 Plant out seedlings
Transplant seedlings outdoors, spacing them 35-45cm apart within rows and 45-60cm between rows.
5 Water regularly
Water regularly, especially when the cobs are developing.
6 Harvest ripe cobs
Harvest cobs when the silks have turned brown and the kernels exude a milky juice when pricked.
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