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Choose a site that gets full sun and has soil with a pH of 6.0 to 6.8. Corn needs soil that’s simultaneously rich, moisture-retentive and well-draining; digging in plenty of compost and well-cured manure will ensure the magic combination.
Sow seeds 1 to 1/2 inch deep, 4 to 6 inches apart. For best results, plant in hills, with several plants to a hill and the hills grouped in clusters rather than long rows Thin plants to a foot apart when they’re 3 to 4 inches tall, and mulch when the ground has warmed to deter weeds and retain moisture. Make sure plants get at least an inch of water a week, but never water from above – it can wash away pollen.
Harvest when husks are dark green, silks are dry and brown but still supple, and full-size kernels reach to the top of the ear. For most varieties, that will be about 20 days after the silks appear.
