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Rubus fruticosus Thornfree - Blackberry

Rubus fruticosus Thornfree
Blackberry, Bramble

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Very satisfied, beautiful subject, well ramified and rooted, delivered on time. Set up during the day, I will now prepare the pots to make the jelly.

Eric , 29/10/2020

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This plant carries a 6 months recovery warranty

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Value-for-money
This thornless blackberry tree shows a rapid growth rate and produces an abundance of large, tasty and juicy black fruits. Particularly vigorous and productive, train its long stems along a wall or on a sturdy trellis. The fruits are good for making jams, jellies, or pies. To be planted in ordinary soil, not too dry to moist, in the sun or in partial shade. 
Flavour
Sour
Height at maturity
4 m
Spread at maturity
80 cm
Exposure
Sun, Partial shade
Self-fertilising
Best planting time February to April, September to November
Recommended planting time February to April, September to December
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Flowering time July to August
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Harvest time September
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Description

Rubus fruticosus 'Thornfree' has a very rapid growth rate and produces an abundance of large, tasty, and juicy black fruits. Particularly vigorous and productive, it is a hardy plant that should be trained along a wall or on a sturdy trellis. It is a self-fertile variety, which yields a plentiful harvest in September. The fruits make excellent jams, jellies, or pies. Plant in ordinary soil, not too dry to moist, in full sun or partial shade.

 

Rubus fruticosus 'Thornfree' belongs to the Rosaceae family. It is a variety obtained in the USA, in Oregon and Washington. It is a perennial climbing and creeping plant, reaching maturity in two years, with branches that can reach 3 to 6m (10 to 20ft) in length, and with a stump that can occupy 0.5 to 1m (2 to 3ft) of ground. The foliage is deciduous, dark green, composed of compound and dentate leaves, with visible veins, very similar to wild blackberry leaves. The stems are inermous, they only live to bear fruit (2 years) and are gradually replaced by suckers originating from the stump. The abundant and nectar-producing flowering bears numerous small pale-pink flowers, 1.5cm (1in) in diameter, grouped in clusters. It occurs from July to August. The fruits are formed by drupes stuck to the receptacle. The large berries are red before turning black in September when ripe. They should be picked when fully black, when they are sweet and tangy, juicy and tasty. The fruits can be consumed fresh, frozen, in pies, or made into jam.

 

This thornless blackberry has long flexible branches that must be trained along a fence, wall, or trellis. Hardy and easy to grow, it can thrive in ordinary, fertile, moist but well-drained soil. It will thrive against a sunny or partially shaded wall, highlighting the bare wood of the flexible branches in winter. Thornless blackberries are hybrids derived from the thornless common bramble, Rubus var. inermis, itself obtained by crossing the bramble and the raspberry. Extensive improvement and selection work has resulted in numerous particularly productive thornless varieties, most of which originate from America.

Rubus fruticosus Thornfree - Blackberry in pictures

Rubus fruticosus Thornfree - Blackberry (Foliage) Foliage

Plant habit

Height at maturity 4 m
Spread at maturity 80 cm
Growth rate normal

Fruit

Fruit colour black
Fruit diameter 3 cm
Flavour Sour
Use Table, Jam, Patisserie
Harvest time September

Flowering

Flower colour pink
Flowering time July to August
Inflorescence Solitary
Flower size 1 cm
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Botanical data

Genus

Rubus

Species

fruticosus

Cultivar

Thornfree

Family

Rosaceae

Other common names

Blackberry, Bramble

Origin

Cultivar or hybrid

Product reference42853

Planting and care

It prefers deep, fertile soils, not too dry to moist, but it is a low-maintenance plant that will adapt to any ordinary soil that is not too dry. This blackberry fruits in the sun, or in partial shade. It can grow in full shade, but the fruits won't be as good. When grown in a pot, it can be planted all year round. However, it is preferable to plant it in the garden in autumn, from September to November. Dig a hole much larger than the root ball. Scratch the root ball with a slightly sharp tool to loosen the root mass and promote establishment. Place the bush in the hole without burying it too deep. Water well 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 following planting. An application of organic fertiliser is beneficial at the start of growth. This self-fertile variety produces better when planted in association with other varieties. Train the new canes as they grow.

Planting period

Best planting time February to April, September to November
Recommended planting time February to April, September to December

Intended location

Suitable for Meadow, Woodland edge
Type of use Hedge, Climbing, Vegetable garden
Hardiness Hardy down to -23°C (USDA zone 6a) Show map
Ease of cultivation Beginner
Planting density 1 per m2
Exposure Sun, Partial shade
Soil pH Any
Soil type Clayey (heavy), Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light), fertile, deep, well-drained

Care

Pruning instructions Remove the branches that have fruited in winter, as well as the weaker ones, cutting them flush with the ground.
Pruning Pruning recommended once a year
Pruning time January, November to December
Soil moisture All moisture levels
Disease resistance Good
Overwinter Can be left in the ground
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