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Thornless Blackberry Oregon Thornless - Rubus fruticosus

Rubus fruticosus Oregon Thornless
Blackberry, Bramble

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il y a des épines sur mon plan ? est ce normal ? parce qu'il est mentionner sans épines

Flora, 30/10/2022

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This plant carries a 6 months recovery warranty

More information

A fast-growing and fairly vigorous thornless blackberry, which needs training along a wall or on a sturdy trellis. It produces large, black, shiny, sweet and slightly acidic blackberries, which can be eaten fresh or used to make delicious jams, jellies or pies. This variety stands out from others due to its extremely elegant, jagged foliage, which is semi-evergreen in mild climates and turns dark red in cold climates. Easy to grow in ordinary, not too dry to moist soil, in full sun or partial shade. Should be pruned every year for good production.
Flavour
Sugary
Height at maturity
2 m
Spread at maturity
1.50 m
Exposure
Sun, Partial shade
Self-fertilising
Best planting time March, October
Recommended planting time February to April, September to November
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Flowering time June to July
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Harvest time September to October
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Description

The Oregon Thornless Blackberry, also known as Rubus fruticosus or Blackberry Bramble, shows rapid growth and produces an abundance of large, delicious and sweet black fruits. It is a particularly vigorous and productive, hardy variety that should be trained along a wall or on a sturdy trellis. It is a self-fertile variety that yields a bountiful harvest in September and October. The fruits are great for making jams, jellies or pies. As a bonus, this Blackberry Bramble is thornless and its highly dissected foliage is particularly ornamental. It can be planted in ordinary, not too dry to moist soil, in full sun or partial shade.

Rubus fruticosus Oregon Thornless belongs to the large and important Rosaceae family, which gives us so many ornamental species (Roses of course, but also Photinia, Cotoneaster, Amelanchier...) as well as most of our temperate climate fruits (Pear, Apple, Cherry, Peach, Apricot, Plum...). The genus Rubus itself is extremely diverse, with probably a thousand species worldwide. Some are ornamental, with decorative or aesthetically pleasing flowers or white shoots, as in Rubus thibetanus. Others have culinary value, such as raspberries (Rubus idaeus) and blackberries (Rubus fruticosus).
"Oregon Thornless" is ornamental and produces of delicious fruits... a double delight for the garden! It is a perennial climbing plant that reaches maturity in two years, reaching about 2m (7ft) high or more with a width of 1.5 to 2m (5 to 7ft). The fairly dark green foliage is semi-evergreen in winter and composed of highly dissected and even jagged and toothed leaves, with visible veins. This unique foliage has real ornamental value, especially as it turns dark red in cold climates in autumn before eventually falling. The stems are thornless and only live until they bear fruit (2 years), being replaced gradually by suckers emerging from the base. Each year, the stems that have borne fruit should be pruned back to two buds. The abundant and nectar-rich flowering consists of numerous small white, 1.5 to 2cm (1in) diameter flowers, grouped in clusters in June and July. The subsequent fruits are formed by drupes clustered on the receptacle. They are large and turn from red to black when ripe, in September and October. They should be picked when fully black, as they are then sweet and slightly tart, and can be eaten fresh, frozen, used in pies or made into jam.

Oregon Thornless Blackberry with its jagged leaves is to blackberries what Chasselas Cioutat, a mutation of Chasselas with parsley-like foliage, is to grapes. It is an ornamental and edible plant that delights the senses. For variety, plant it alongside grapes, such as the Fragola Bianca Grape Vine, a variety that produces seedless white-pink berries with a surprising aroma similar to wild strawberries. The Vitikiwi Kiwai, or Actinidia arguta, with its small and sweet fruits in the same season will also delight your taste buds.

Thornless Blackberry Oregon Thornless - Rubus fruticosus in pictures

Thornless Blackberry Oregon Thornless - Rubus fruticosus (Foliage) Foliage
Thornless Blackberry Oregon Thornless - Rubus fruticosus (Harvest) Harvest

Plant habit

Height at maturity 2 m
Spread at maturity 1.50 m
Growth rate fast

Fruit

Fruit colour black
Flavour Sugary
Use Table, Jam, Patisserie
Harvest time September to October

Flowering

Flower colour white
Flowering time June to July
Inflorescence Cluster
Flower size 2 cm
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Semi-evergreen
Foliage colour green

Botanical data

Genus

Rubus

Species

fruticosus

Cultivar

Oregon Thornless

Family

Rosaceae

Other common names

Blackberry, Bramble

Origin

Cultivar or hybrid

Product reference1005912

Planting and care

The Oregon Thornless Blackberry prefers deep, fertile, not too dry to moist soil, but it is a low-maintenance plant that will adapt to any ordinary soil that is not too dry. This blackberry bush bears fruit in the sun, in partial shade, or even in shade, where the fruits will be of lower quality. Pot-grown plants can be planted at any time of the year. However, it is best to plant it in the garden in autumn, from September to November, unless you live in a region with very cold winters, in which case you should plant it in March. Dig a hole much larger than the root system. Loosen the root ball with a slightly sharp tool to loosen the tangle of roots and promote growth. Place the bush in the hole without burying it too deeply. Water thoroughly to compact the soil and remove air around the roots. It is important to ensure that the plant does not lack water during the first year after planting. Adding organic fertiliser at the beginning of the growing season is beneficial. Train the new shoots as they grow.

Planting period

Best planting time March, October
Recommended planting time February to April, September to November

Intended location

Suitable for Meadow, Woodland edge
Type of use Hedge, Climbing
Hardiness Hardy down to -20°C (USDA zone 6b) Show map
Ease of cultivation Beginner
Planting density 1 per m2
Exposure Sun, Partial shade
Soil pH Neutral, Any
Soil type Clayey (heavy), Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light), fertile, deep, well-drained

Care

Pruning instructions Prune your Blackberry plant every year in November or March in cold climates. Remove the branches that have produced fruits by cutting them back to 2 buds at ground level, and keep the young branches of the current year that will give you fruits the following year. Ideally, you should have 4 branches to concentrate the vigour, as beyond that, you risk producing a lot of small fruits. Since this Blackberry plant has vigorous shoots, it needs to be trained. To help you identify the shoots to prune, you can direct all the branches of the current year to one side (for example, to the right), and prune the other side to 2 buds above ground level. This way, the following year, the new shoots will all be on the left, and at the end of the year, you can prune the entire right side, and so on.
Pruning Pruning recommended once a year
Pruning time March, November
Soil moisture Tolerant
Disease resistance Good
Overwinter Can be left in the ground
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