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Cynara cardunculus improved white-flowered - cardoon seeds
Cardon blanc Ameliore Bio - Cynara cardunculus
Roach thrive without any issues on the causse de gramat with a water supply.
Eliane F., 26/08/2017
Order in the next for dispatch today!
Dispatch by letter from €3.90.
Delivery charge from €5.90 Oversize package delivery charge from €6.90.
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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.
Seed-only orders are dispatched by sealed envelope. The delivery charge for seed-only orders is €3.90.
The Improved White Cardoon is a hardy and vigorous variety that combines several qualities: thornless, voluminous, wide and fleshy stalks, finely cut leaves that easily turn white, and good storage ability. Sow from March to July for harvests from July to November.
Cardoons and artichokes belong to the same family, and the two plants are actually very similar: they have the same finely cut, characteristic silver-grey foliage, and they both produce large flower heads that resemble thistles (another cousin in the family) and range in flower colour from indigo to violet. However, while artichokes are cultivated for their floral buds, cardoons are grown for the central vein of their foliage. The cardoon flower is edible but much tougher than the artichoke. Once blanched, the cardoon stalk or stalk can be prepared in gratins, mashed, juiced, used for its pith, or served as a side dish with meat.
The cardoon thrives in rich, organic, well-drained soil. It should be positioned in a sunny location if possible. At maturity, it can reach a height of 2m and a width of 1.50m if the stalks have not been cut for blanching.
Cultivation: a few weeks before harvest for heirloom varieties, the stalks should be allowed to blanch. To do this, gather the leaves and cover them with cardboard or an opaque film, making sure to allow air circulation. Mound the soil around the plants with 25-30cm of earth to stabilise them. With this technique, the leaves no longer receive light. Without photosynthesis, the leaves become tender and turn white. A few weeks later, they are ready to be harvested.
Harvest: wear gloves, especially for thorny varieties. Pull up the entire root ball and place the leaves in a well-ventilated area, protected from light. When stored correctly, the stalks can be preserved and consumed throughout the winter.
Gardener's tip: promote crop rotation, especially by planting cardoons after legumes which enrich the soil with nitrogen. Replant the cardoon in the same spot after a minimum four-year rotation. The cardoon is nutrient-demanding.
Organic or "AB" seeds come from plants grown in organic agriculture (without the use of pesticides). They undergo no treatment after harvest. These seeds are suitable for organic market gardening.
Harvest
Plant habit
Foliage
Botanical data
Growing in a greenhouse: Cardoon can be grown in trays in cold greenhouses from March to May. Use rich soil with added well-rotted compost. Dig holes a few cm deep and place a few cardoon seeds in each hole. Thin out by choosing the strongest seedling when they have three leaves. Once they are strong enough to handle, plant them in open ground, making sure to space them about a metre apart in all directions.
Outdoor cultivation: From May to July, when the soil is completely warmed up, start by adding well-decomposed compost to your soil. Loosen the soil and plant 3 to 4 seeds in holes about 3 to 4 cm deep. Water generously immediately. When the seedlings have at least three leaves, thin out by keeping only the strongest plants. Each plant should be spaced at least a metre apart. Harvesting from July to October, about 5 months after spring sowing.
Seedlings
Care
Intended location
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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).
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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 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:
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.