Organic Potato Collection
Organic Potato Collection
Solanum tuberosa Mona Lisa, Ditta, Charlotte
Potato
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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
Collection of three potato varieties recognised for their qualities. These semi-early and productive varieties are easy to grow and naturally resistant to potato diseases. Plant the seeds from mid-March to May depending on the climate and harvest approximately 110 days after planting. Organically-produced range.
The collection consists of:
1 x sack of 25 organically grown Mona Lisa Potato seeds: a soft-flesh, very productive variety producing long tubers that store well. This variety has a good resistance to blight. The potatoes have a melting texture while maintaining a good cooking firmness. They can be used in multiple ways: fried, simmered, or for roasting/baking.
1 x sack of 25 organically grown Ditta Potato seeds: a firm-flesh consumption variety, currently the most suitable for organic cultivation. It offers a very good yield, producing numerous elongated oblong tubers with yellow skin and flesh, with a beautiful appearance, and that store well. Its tasty flesh holds up well when cooked: steamed, in salads, or fried.
1 x ack of 25 organically grown Charlotte Potato seeds: a firm-flesh, very productive variety that can be harvested early, before maturity. Well suited for storage. The rather elongated potatoes have a fine and tasty flesh. They are ideal for boiling or steaming and can also be enjoyed stewed or fried.
The potato is a root vegetable that has become essential in the vegetable garden and on the dinner plate. It is a perennial plant cultivated as an annual, developing tubers as storage organs on its rootstock. Except for a few varieties like Belle de Fontenay, the plants produce small flowers in summer. Each plant will produce several potatoes, which can be stored for several months and cooked in various ways. The potato belongs to the Solanaceae family, like eggplant and tomatoes. Originally cultivated in the Andes Mountains, it was brought to Europe in the 16th century.
There are many potato varieties. The tubers, which are more or less elongated, generally have a yellow, sometimes red, pink, or purple flesh. Low in calories, potatoes are rich in carbohydrates, iron, and potassium.
There are three categories of potatoes, based on their flesh content:
- Firm-flesh varieties have a good cooking firmness. These potatoes, which are rather elongated in shape, have a fine and tasty flesh. They are ideal for boiling or steaming and can also be enjoyed stewed or fried.
- Floury varieties are rich in starch and easily mashed. Fairly large, these potatoes are perfect for purees or soups. They also allow for very crispy chips as they tend to absorb less oil when cooked.
- Soft-flesh varieties have a melting texture while maintaining a good cooking firmness. They can be used in multiple ways: fried, stewed, or for baking.
Harvesting: depending on the varieties and their earliness, potatoes can be harvested from May to October. Gently lift the plants with a fork to avoid damaging the tubers. Let the potatoes dry in the sun for a day.
Storage potatoes are harvested when the foliage turns yellow and dries up. Early varieties are harvested 80 to 90 days after planting, semi-early around 110 days, semi-late around 120 days, and late varieties from 120 to over 150 days.
As for new potatoes, with very thin skin and tasty flesh, they are harvested before maturity, 70 days after planting. Harvest them just after flowering, around May-June.
Storage: after removing damaged tubers, store the potatoes in a cool, dry, and dark place. In the presence of light, the tubers turn green and synthesize a toxic compound, solanine. Early-harvested varieties should be consumed quickly. Storage potatoes can be stored for several months. The duration of storage varies depending on their earliness: late varieties store the longest.
Gardener's tip: grow potatoes as part of crop rotation, as potatoes are often considered a cleansing crop. Indeed, mounding and root development leave the soil clean and loose after harvest. They also appreciate the company of legumes (beans, fava beans, peas).
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Harvest
Plant habit
Foliage
Planting and care
Planting: Potatoes need a light, deep and rich soil. Choose a sunny location. Add well-rotted compost in the previous autumn, by scraping it on 5 cm (2in), after thoroughly loosening the soil. Planting takes place under cover in February-March for early varieties. For other varieties, plant them from mid-March to May depending on the climate. Wait until the soil is at least 10 °C. Lilac flowering is often a landmark for starting planting. Grow several varieties in your vegetable garden for a wider enjoyment!
Loosen the soil deeply and form rows 10 cm (4in) deep, spaced 70 cm (28in) apart. Place the tubers, sprout upwards, every 40 cm (16in) (or 30 cm (12in) for early varieties). Cover with fine soil. When the plants reach 15 cm (6in), mound them up by bringing fine soil up to the base of the stems, to a height of 20 cm (8in). Mounding up will promote tuber formation and water drainage. You can mound them up again a month later. Mulch at the base of the plants, with successive thin layers of grass clippings mixed if possible with dead leaves. This protection, which keeps the soil moist, also limits weeding.
Potato cultivation does not require watering, except in case of high heat. In this case, water the base without wetting the foliage to avoid the emergence of fungal diseases.
Diseases and pests: potatoes are susceptible, just like tomatoes, to late blight. This is a fungal disease caused by the Phytophthora infestans fungus. Late blight develops in hot and humid weather. Small spots appear, white on the undersides of the leaves and brown on the tops. As a preventive measure, here are some tips to reduce the risk of late blight:
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do not grow several plants from the Solanaceae family on neighbouring rows: potatoes, tomatoes, eggplants, peppers, chilli peppers, etc., as they are susceptible to the same diseases
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in terms of rotation, wait 4 years before growing a Solanaceae plant in the same location
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space out the plants, both in the row and between rows, to promote air circulation and prevent rapid disease spread
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if you need to water, do not wet the foliage
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spray Bordeaux mixture or preparations such as horsetail decoction or garlic purin
The harvest can also be hindered by the Colorado potato beetle, an insect of the Coleoptera order. You will recognise it by its yellow head and its yellow and black striped body. The best solution, although a bit time-consuming, is to eliminate them as they appear. As a preventive measure, sow blue flax seeds between your rows of potatoes. Sow from April to June in shallow furrows. In addition to its repellent effect against Colorado potato beetles, flax will brighten up your vegetable garden with its pretty little blue flowers. You can also intercrop peas between your rows of potatoes.
Other planting methods: the detailed planting method above is the most common. Other methods exist, such as mulch planting and tower planting.
Mulch planting involves placing the tubers on the ground and covering them with a layer of mulch. This protection will be completed as the plant grows, with the tubers always being kept away from light.
Tower planting or bag planting is practical for small spaces, but requires regular watering. The tower can be constructed from various materials (wood, wire mesh, bag, tires, etc.). The tubers are placed on a bed of potting soil or compost. As soon as the plant grows, it is covered with potting soil, leaving only the topmost leaves exposed, and so on until the top of the tower, allowing the tubers to form at all levels of the container. Harvesting is done when the foliage has withered.
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).
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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