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Organic Black Jewel Raspberry - Rubus idaeus

Rubus occidentalis Black Jewel
Western Blackberry, American Blackberry

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1 reviews

I received it in poor conditions (partly empty pot), it never recovered and is obviously dead contrary to what I was told... very disappointed.

Gilles, 11/04/2024

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This plant carries a 6 months recovery warranty

More information

Vigorous and hardy variety, with the peculiarity of producing fairly round, large-sized, antioxidant-rich black raspberries. Their flavour, very aromatic, falls between raspberry and blackberry. Originating from the United States, this non-remontant variety produces few suckers, is resistant to diseases, and offers good yields. Planting from October to March, for a harvest throughout the month of July. Plants from organic agriculture.
Flavour
Sugary
Height at maturity
1.30 m
Spread at maturity
1 m
Exposure
Sun, Partial shade
Self-fertilising
Best planting time October to November
Recommended planting time February to March, October to December
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Flowering time April to May
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Harvest time July
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Description

This Organic Black Jewel Raspberry Bush, Rubus occidentalis , is a vigorous variety, resistant to diseases and hardy, which has the particularity of producing black-purple raspberries when ripe. Rounded in shape, they are of good size and their flesh is particularly rich in antioxidants. Their flavour, halfway between that of raspberries and blackberries, has an incomparable aroma. This variety is non-remontant, but it offers an abundance of fruit throughout the month of July, up to 4 kg per plant! Planting from October to March, in well-tilled and enriched garden soil, non-calcareous, remaining slightly cool in summer. The bush, which produces few shoots, requires little maintenance, except for pruning after harvest.

To fully enjoy their flavour, raspberries should be consumed quickly after picking, as they do not keep well. Whether they are red, yellow or black, they are consumed in the same way. If you have an abundant harvest, consider making coulis, sorbets, ice creams, tarts or jams. You can also freeze them. Production reaches its normal level in the third year after planting. A plant can produce fruit for about 10 years. There are remontant varieties, producing from June to October, and non-remontant varieties, with an abundant harvest taking place around June - July.

The Black Jewel Organic Raspberry Bush comes from a species native to Canada and the United States. It is a deciduous shrub with thorny stems, forming a bush of 1.30 m (4ft) in height. The canes are biennial, each having the peculiarity of dying after fruiting. The leaves of raspberry bushes are green on the top, white-green and hairy on the underside. The flowering is very honey-scented. The white flowers are small (1 to 2 cm (0 to 1in) in diameter), grouped in small clusters of 10 to 12, and appear in April-May. The fruits are formed by small agglutinated drupes, easy to detach when ripe, whose colour varies depending on the varieties: red, yellow, or black for the Black Jewel variety.

The Raspberry Bush belongs to the Rosaceae family, like strawberries, blackberries, and wild roses. The wild raspberry is native to Europe and temperate Asia, where it grows in cool climates in the company of elderberry, beech, or mountain ash, especially in mountainous undergrowth, but also in the plains.

Organic Black Jewel Raspberry - Rubus idaeus in pictures

Organic Black Jewel Raspberry - Rubus idaeus (Harvest) Harvest

Plant habit

Height at maturity 1.30 m
Spread at maturity 1 m
Growth rate normal

Fruit

Fruit colour black
Fruit diameter 2 cm
Flavour Sugary
Use Table, Jam, Patisserie
Harvest time July

Flowering

Flower colour white
Flowering time April to May
Inflorescence Corymb
Flower size 1 cm
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Botanical data

Genus

Rubus

Species

occidentalis

Cultivar

Black Jewel

Family

Rosaceae

Other common names

Western Blackberry, American Blackberry

Origin

Cultivar or hybrid

Product reference7809791

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Planting and care

The Organic Black Jewel Raspberry prefers humus-rich soil that retains moisture, even in summer, without too much limestone. It appreciates partially shaded but bright exposures. In cooler regions it will tolerate full sun, while in warmer southern ones it prefers partial shade. Plant it from October to March in regular soil enriched with compost and well-rotted manure.

Install the plants every 80cm (32in) in rows spaced 1.50 m (5ft) apart. During planting, the collar should be level with the ground. It is advisable to train them with wire stretched between stakes or on a trellis.

Water regularly to promote root growth in the first year after planting. During periods of high heat or prolonged drought, provide additional water. Weed the surface, especially at the beginning of planting, and apply mulch to retain moisture in summer.

Raspberry plants can be susceptible to various diseases if the growing conditions are not optimal (raspberry anthracnose, raspberry rust, powdery mildew, gray mould during rainy periods, or Botrytis). The damage observed in cultivation is due to poor climatic conditions, especially during cold springs that allow micro-fungi present in the soil to infest the vegetation. To protect the plants, it is recommended to fertilise raspberries with organic fertilisers that promote the multiplication of anaerobic bacteria in the soil, which strengthens the soil's ability to stimulate the plants' immune system. Raspberries can also be attacked by certain pests such as raspberry worms, the larvae of a small beetle that lodges in the fruits, without causing significant damage.

Planting period

Best planting time October to November
Recommended planting time February to March, October to December

Intended location

Suitable for Meadow, Woodland edge
Type of use Hedge, Vegetable garden
Hardiness Hardy down to -34°C (USDA zone 4) Show map
Ease of cultivation Beginner
Planting density 3 per m2
Exposure Sun, Partial shade
Soil pH Acidic, Neutral
Soil type Silty-loamy (rich and light), fertile, humus-bearing, deep

Care

Pruning instructions Pruning Raspberry bushes is necessary to ensure good fruiting. The Black Raspberry (such as the Black Jewel variety) requires specific pruning. In July, cut the tips of the young shoots to encourage the formation of lateral buds. In spring, prune these lateral branches, leaving 8 to 10 buds on each branch. Unlike the most common Raspberry (Rubus idaeus), new shoots of the Black Raspberry appear at the base of the stems rather than from the roots. After harvesting, keep only the most vigorous canes.
Pruning Pruning recommended once a year
Pruning time March, July to August
Soil moisture Tolerant
Disease resistance Good
Overwinter Can be left in the ground
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