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Yellow Flat Onion Seeds
New product
[Allium cepa] Traditional yellow onion seeds, flattened bulb, golden-bronze skin, strong flavour — excellent for storage and cooking.
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More info
- Yellow Flat Onion
- The Yellow Flat Onion Plant
- How to Sow Yellow Flat Onion
- How to Grow Yellow Flat Onion
- Tips for Yellow Flat Onion
- Diseases and Pests of Yellow Flat Onion
- Uses and Curiosities of Yellow Flat Onion
- Properties of Yellow Flat Onion
- Nutritional Values of Yellow Flat Onion
Yellow Flat Onion
The yellow flat onion, also known as "flat Piedmontese yellow", is a traditional variety with a flattened bulb, golden-bronze skin and a strong flavour, excellent for storage.
The Yellow Flat Onion Plant
Allium cepa yellow flat belongs to the Amaryllidaceae family. It develops a flattened, top-shaped bulb with tough golden-yellow outer skins that give it excellent long-term keeping qualities.
How to Sow Yellow Flat Onion
Sowing takes place from August to September for autumn sowings, burying seeds about 1-2 centimetres deep in a seedbed or directly in the field.
How to Grow Yellow Flat Onion
A hardy, low-maintenance variety, it prefers loose, well-drained soil; it should be watered regularly, avoiding waterlogging, which would compromise its storage qualities.
Tips for Yellow Flat Onion
It is generally harvested in July, once the leaves begin to dry and bend; it is advisable to let the bulbs dry a few days in the field before winter storage.
Diseases and Pests of Yellow Flat 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 Yellow Flat Onion
Thanks to its strong flavour and excellent keeping qualities, it is the ideal variety for sautéing, broths and long cooking, as well as for winter use as a storage onion.
Properties of Yellow Flat Onion
Yellow onions are rich in quercetin, an antioxidant flavonoid, and also have diuretic properties, plus a good vitamin C content.
Nutritional Values of Yellow Flat Onion
Per 100 grams, yellow flat onion provides about 31 kcal, 1.1 g protein, 7 g carbohydrates (of which sugars about 4.2 g), 0.1 g fat and 1.4 g fibre. It has a good vitamin C content (about 6 mg) and potassium (about 138 mg).