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Blackcurrant Cassissima Black Marble - Ribes nigrum
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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.
From 5,90 € for pickup delivery and 6,90 € for home delivery
Express home delivery from 8,90 €.
The 'Black Marble' Blackcurrant is a very recent variety that offers numerous clusters of large, sweet and slightly acidic berries. It is one of the largest blackcurrants in the world. Its taste is sweet and aromatic, with juicy flesh and very few seeds. Due to their large size, the berries are easy to harvest and have a beautiful dark black colour. This early ripening variety, around mid-July, is also disease-resistant and highly productive. A wonderful discovery to fully enjoy the flavours of blackcurrants. In addition to fruiting, the beautiful deciduous dark green leaves and the coloured wood in winter give this fruit bush a unique charm throughout the year. It is very hardy (to -25°C) and prefers a sunny but not scorching exposure, or partial shade. It is easy to grow and maintain in well-drained, moist soil that is not constantly wet. Plant from October to March for a harvest starting in late July.
The Blackcurrant Bush, known as Ribes nigrum in Latin, belongs to the Grossulariaceae family, like Redcurrants and Gooseberries, from which it is distinguished by its black fruits. Its origins in the temperate regions of Northern Europe to Asia give the Blackcurrant excellent cold resistance. Cultivated since the 16th century, the Blackcurrant grows naturally in the cool woods of Northeastern Europe. Historically, it has been mainly used as a medicinal plant, with apothecaries and healers attributing powerful properties to it.
Ribes nigrum Cassissima 'Black Marble' is a recent Swiss variety from the Cassissima range. This range consists of selected blackcurrant varieties known for their high yields, fleshy fruits with high sugar content, and vigorous plants resistant to diseases. It forms a bushy, non-thorny shrub with a clump-like habit of slightly stiff, sparsely branched limbs, with soft wood and abundant pith. This very hardy bush reaches a height of 1.50 m and a spread of 1.20 m. The deciduous foliage is composed of palmate, lobed, medium-green leaves. It is particularly aromatic and pleasantly fragrant when crushed. Leaves, fruits, and buds are intensely fragrant due to the presence of glands containing essential oils used in perfumery. This Blackcurrant variety blooms in April, with clusters of small greenish to brownish flowers that are quite inconspicuous but loved by bees. Fruit development mainly occurs on 2- and 3-year-old branches and is less common on older ones. It ripens early, producing clusters of 3 to 5 large black berries, over 1 cm in diameter, with fleshy and juicy, very sweet pulp with mild and pleasant aromas, and a slight hint of acidity. When ripe, the berries are black, round, and filled with juicy flesh, containing very few tiny seeds.
The Black Marble Blackcurrant is self-fertile, so it does not require a companion to bear fruit, but the presence of another variety nearby will increase production. Picking can be done gradually as the fruits ripen, and it is simplified due to the size of the berries. A Blackcurrant plant produces about 3 to 5 kg of fruit per plant, depending on the age and growing conditions of the plant. All Blackcurrant varieties are rich in vitamin C, antioxidants, minerals, trace elements, potassium, calcium, and phosphorus, making them a real asset for health. Moreover, they are among the least calorie-dense fruits (50 kcal per 100 g). When consumed fresh, they are rich in nutrients. They can also be used to make jellies, jams, pies, cakes, sorbets, ice creams, and milkshakes. They are perfect for accompanying fruit salads and red meats or as a small touch in mixed salads. They can also be transformed into juice or syrups, and used in liqueurs to flavour Kir, cocktails, and Sangria.
In summer, the Blackcurrant adds a decorative touch to your garden with its clusters of black berries. You can associate it with Redcurrants, Raspberries, or other varieties of berries to create a delicious hedge. It is important in a blackcurrant plantation, as in any plantation, to alternate species and varieties whenever possible. This promotes pollination, even if the variety is self-fertile, and reduces the risk of diseases. It can be grown in a pot, but you must choose a container at least 40 cm tall and regularly water it with non-calcareous water.
Plant habit
Fruit
Flowering
Foliage
Botanical data
Plant the Blackcurrant bush from October to March, avoiding periods that are too cold or too wet. It thrives in ordinary soils, even poor ones, without too much limestone. The Blackcurrant bush prefers well-drained, moist soil, but not constantly wet. Choose a location sheltered from strong winds.
When planting, space the plants 1.20m apart in all directions. For bare-root plants, soak the roots in pralin to prevent the formation of air pockets between the roots and the soil. You can either prepare the pralin by mixing 1/3 very fine soil or compost, 1/3 cow manure or compost, and 1/3 rainwater, or buy it commercially. Dig a hole, incorporate well-rotted manure or mature compost into the soil, place the plant, and cover it with soil. Water generously. Then mulch the soil to keep it moist in summer.
For container cultivation: use a mixture of potting soil and topsoil, creating a drainage layer at the bottom of the perforated pot. Feed your blackcurrant bush with compost or fertiliser for small fruits and water regularly to keep the substrate slightly moist, but not waterlogged.
An application of organic fertiliser at the start of vegetation will support fruit production and plant health. It is an accommodating bush, not very susceptible to diseases. It has a few enemies, such as aphids, which can be eliminated by spraying with soapy water or a garlic decoction. In case of a powdery mildew attack, spray with Bordeaux mixture. In June-July, protect the harvest from birds with nets. To get rid of raspberry worms, which can also be present on blackcurrant bushes, you can sow forget-me-nots along the plantation; they are reputed to drive them away.
In a blackcurrant plantation, as in any plantation, it is important to alternate varieties and species, when space allows: pollination will be better, and the spread of epidemics or diseases will be limited.
Planting period
Intended location
Care
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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.