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White Flat May Onion Seeds

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[Allium cepa] Early short-day white onion seeds, flattened bulb, silvery skin, very delicate flavour — excellent fresh or oven-roasted.

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White Flat May Onion

The white flat May onion is an early short-day variety, typical of Southern Italy, with a flattened bulb, silvery white skin and a very delicate, mild flavour.

The White Flat May Onion Plant

Allium cepa white May belongs to the Amaryllidaceae family. It develops a flattened, medium-to-large bulb with thin silvery outer skins and crisp white flesh.

How to Sow White Flat May Onion

Sowing takes place from August to October, burying seeds about 1-2 centimetres deep in a protected seedbed, before transplanting seedlings into the field in the following months.

How to Grow White Flat May Onion

An early short-day variety, it requires loose, well-drained soil and regular but moderate watering. Prolonged exposure to direct sun during the hottest hours should be avoided in the early growth stages.

Tips for White Flat May Onion

It is harvested in late spring, generally in May, hence its name. It has limited storage life, so it is best consumed fresh shortly after harvest.

Diseases and Pests of White Flat May Onion

It can be subject to downy mildew and neck rot in conditions of excessive soil moisture; common pests include onion fly and thrips.

Uses and Curiosities of White Flat May Onion

Its very delicate, mild flavour makes it ideal for raw consumption in salads, but it truly shines when oven-roasted, releasing all its natural sweetness.

Properties of White Flat May Onion

Like other white onions, it contains sulphur compounds with antibacterial properties and a good flavonoid content, plus a fair amount of vitamin C and potassium.

Nutritional Values of White Flat May Onion

Per 100 grams, white flat May onion provides about 29 kcal, 0.9 g protein, 6.5 g carbohydrates (of which sugars about 3.8 g), 0.1 g fat and 1.2 g fibre. It has a good vitamin C content (about 6 mg) and potassium (about 130 mg).