Boiling Onion

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Storage Guidelines

Commercial storage guidance for dry bulb onions, default (HB66's main dry-onion recommendation, stated for pungent types). Storage life depends on initial quality, maturity, cultivar and handling; this is not a household shelf-life guarantee.

High humidity induces rooting and warmth induces sprouting, and together they increase rot, so bulbs must be well dried and cured, kept cold and moderately dry, and protected from condensation. Highest freezing point: -0.8°C. Source: USDA Agriculture Handbook 66 (rev. 2016).

Nutritional Information

Onions, raw; USDA SR Legacy, FDC 170000, published 4/1/2019. Per 100 g edible portion, approximately: Energy: 40 kcal; Protein: 1.1 g; Fat: 0.1 g; Total carbohydrate (by difference): 9.34 g; Dietary fiber: 1.7 g; Vitamin C: 7.4 mg; Folate: 19 µg; Total sugars: 4.24 g. Generic reference for the stated edible food and processing form, not a cultivar-specific or item-specific measurement. Composition of an individual shipment has not been measured.