Scallion Ishikura Long White - Ferme de Sainte Marthe Seeds
Scallion Ishikura Long White - Ferme de Sainte Marthe Seeds
Allium cepa Ishikura Long White
Onion
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This plant carries a 6 months recovery warranty
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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
‘Ishikura Long White’ Scallion is a classic Japanese variety that is particularly cold-resistant and easy to grow. It forms 50 cm tall, 2.5 cm wide, slender white stems with green leaves. Delicious finely chopped in salads or cooked like onion. Sow from March to July and harvest from late May to late October.
Scallions, sometimes called green onions or bunching onions, are a tasty perennial vegetable. They belong to the Allium family, along with garlic, onions, shallots and chives. Like chives, they form clumps of fine, hollow cylindrical stalks (scapes) and leaves. They are generally grown for two to three years, after which they become less productive and need to be divided. In regions with milder winters, it is possible to harvest the leaves all year round. When left to go to flower, scallions produce pretty white pompoms that hover over the leaves. Both leaves and stems are delicious finely chopped and served with omelettes, quiches and fish dishes. Scallions are rich in antioxidants, minerals and vitamin B.
Harvesting: scallions can be harvested at all growth stages, from June to October, about 3 months after sowing. Either snip off a few leaves with scissors or harvest the whole stem.
Conservation: scallions can be kept for a few days in the refrigerator or for a few months when dried or frozen. Nevertheless, for a fuller aroma they are definitely best eaten fresh!
Good to know: We recommend mulching as this reduces the need to water and weed your plants. Growing scallions alongside carrots will protect the latter from carrot fly. However, avoid growing them too close to vegetables belonging to the Fabaceae family (beans, peas, broad beans).
Even if the vegetable garden is first and foremost a place for growing great quality veg, it’s always a good idea to leave a bit of room for flowers. Growing flowers alongside your vegetable plants will make your general gardening experience more enjoyable and is a great way to attract pollinators and repel garden pests! Flowers such as gaillardia, marigolds, zinnias, cosmos or nasturtiums can be sown in and around the rows of vegetables. Herbs such as dill can be very useful also. Bear in mind that some companion plants self-seed easily and can be a bit invasive (borage, chives, lemon balm etc.)
NB. Organic seeds (in French "AB" for "Agriculture Biologique") are produced from plants that aren't treated with phytosanitary products (insecticides, weed killers). The seeds do not undergo post-harvest treatment. They carry the AB label and are approved by Ecocert, an independent structure.
Harvest
Plant habit
Foliage
Botanical data
Allium
cepa
Ishikura Long White
Amaryllidaceae
Onion
Cultivar or hybrid
Perennial
Planting and care
Soil preparation:
Onions will grow in most types of soil, preferably light and well-drained. Onions are very sensitive to excess nitrogen: avoid growing onions on a recently fertilized plot, after green manures or vegetables from the Fabaceae family (beans, peas, broad beans). Make sure to wait about 5 years before returning onions to the same plot.
Spring sowing: Coloured onions (yellow and red) and some early white varieties are direct sown from February to April (or in the autumn in milder climates). Lightly sow in furrows, about 2 cm deep, with 20 cm between each row. Gently cover with soil and water. Germination takes about 18 days. When the seedlings are approximately 5 cm tall (about 2 months after sowing), they need to be thinned out. Keep one plant every 10 cm on average. Harvest during the summer months.
Autumn sowing: White onions are sown in late summer (August-September) in seed trays or pots. Transplant one month later in milder climates, or in late winter elsewhere (February). Allow 20 cm between rows and 10 cm between each plant. White onions are then harvested in the spring.
Care: Hoe regularly, especially at the beginning. Avoid mulching as this can cause the bulbs to rot. Onions are sensitive to excessive humidity: watering should be kept to a minimum, mainly during sowing and transplanting.
Seedlings
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).
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 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.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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