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Planting
Plant onion sets directly into the ground, 1 to 2 inches deep, 2 to 3 inches apart. Once growing starts, thin to a 3 to 4 inch spacing. Thinned onions are tender and green - great to use as green onions.
Soil
Prefers, loose, well-drained, fertile soil, with a pH between 6.0 and 6.8.
Light
Requires full sun.
Care
Onions will benefit from 3 fertilizer applications in the growing season - one 40 to 60 days after planting, one mid-season, and one 4 weeks before harvest.
Harvest/Storage
Harvest when tops are wilted. Cure after harvest by laying out to dry in a shaded location for 2 to 4 weeks, until the outer skin is papery thin. Store in a cool (32 to 40 degrees), dry area in well-ventilated containers.