Keravel pink Onion - Allium cepa
Keravel pink Onion - Allium cepa
Allium cepa 'Keravel'
Onion, Common onion, Garden onion
A sweet and mild-flavoured onion with a very thin skin. It doesn't bolt. It keeps well, what more could you ask for?
FP5173, 27/02/2022
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This plant carries a 6 months recovery warranty
More information
We guarantee the quality of our plants for a full growing cycle, and will replace at our expense any plant that fails to recover under normal climatic and planting conditions.
Description
The 'Keravel' pink onion, a variety approved by the Roscoff onion association, is of excellent taste quality. It produces onions with a pink skin and flesh. Plant the bulblets from February to April (or in autumn for mild climates) and harvest the onions in July and August.
The onion is an herbaceous plant that produces a single bulb topped with hollow, cylindrical stems. It belongs to the Liliaceae family, like garlic, shallots, and chives. The onion is mainly cultivated for its bulb and sometimes for its stems, which are consumed like chives.
There are three groups of onions, distinguished by the colour of the bulb:
- white onions, early varieties, consumed in vegetable gardens for example or pickled in vinegar
- yellow onions, for storage, often consumed cooked (in soups, pissaladières, or as accompaniments to cheese or charcuterie),
- red onions, usually consumed raw in salads.
There are also pink onions, less common, like the ''Keravel' pink onion.
Rich in vitamins A, B, C, and minerals, onions are often more digestible when cooked and develop a sweeter flavour. To avoid crying while cutting an onion, you can peel it under running water, in a basin of water, or wear swimming goggles!
Historically, onions originate from Central Asia where they have been consumed for over 6000 years. Their presence is also noted in the tombs of pharaohs, where their therapeutic and gustatory virtues were already recognised. The Romans later introduced onions throughout Western Europe. It is also worth noting that Christopher Columbus introduced onions to the Americas during his second voyage.
Harvesting: White onions are harvested in spring when the foliage is still green. Coloured onions (yellow and red) are harvested in summer when the stems are completely dry and lying flat on the ground. Gently pull them out and leave them to dry for two to three days on the ground in the sun. Remove the excess dried soil by lightly rubbing them.
Storage: Onions can be stored for several months under good conditions. If the condition of the stems allows it, you can make a braid and hang the obtained bunches. Otherwise, cut the leaves and store the onions in a dark, cool, dry, and well-ventilated place. Check beforehand that they have not been bruised to avoid rotting, which could contaminate the entire harvest.
A Gardener's Tip: alternate rows of onions and carrots to keep carrot flies and onion flies away. Additionally, onions thrive in the company of beets, strawberries, and lettuces.
Harvest
Plant habit
Foliage
Planting and care
Onions thrive and grow in all types of soils, preferably light and well-drained. The soil should not have received any fertilisation for at least a year. Choose a sunny spot. Onions are sensitive to excess moisture, which can cause the bulbs to rot. If your soil is very moist, add some sand to it. Planting on raised beds will help facilitate water drainage and slightly increase the soil temperature.
Bulblets are very young onions that are planted in spring, from February to April. In regions with mild winters, they can be planted in autumn, in October-November. Planting bulblets requires less weeding than sowing while ensuring a good harvest.
Loosen the soil. Space the rows 25 cm (10in) apart. Build up the soil along the entire row to form a mound 10 to 15 cm (4 to 6in) high. Flatten the top. Plant the onion bulblets every 15 cm (6in), with the tip facing upwards, by gently pressing them into the soil. Cover with a little fine soil, with the tip just above the surface. No watering is necessary.
Regularly hoe, especially in the beginning. There is no need for mulching.
Onions dislike excessive nitrogen, so avoid planting them after green manure or legumes from the Fabaceae family (beans, peas, fava beans). Rotate approximately every 5 years before cultivating onions again.
Cultivation
Care
Intended location
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
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