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Blackberry bushes need a sunny to partially shaded place in the garden, so that their fruits develop the necessary sweetness. Note that most blackberries need a trellis to raise their heads. Brambles need a sunny to partially shaded place in the garden so that their fruits can develop the necessary sweetness. From these plants not only the berries but also the leaves can be harvested. They have a pleasant taste and are therefore added to many tea blends. Compared to the wild variety, which is found mainly on forest edges, the cultivated forms of the genuine blackberry carry larger and more juicy fruits. Blackberries are self-pollinated, so one copy is enough. Ideal conditions for this plant are a warm, sunny wall or a trellis facing south.
Most blackberries need a trellis to grow up on, as their shoots can grow up to ten meters long. However, some varieties grow columnar and therefore do without climbing help. However, they remain smaller than the creeping varieties and therefore do not produce quite as much fruit.
The soil should be moist but not too wet and contain enough nutrients. Optimal is a slightly acidic surface. Calcareous soil is enriched with compost a few weeks before planting. Regular mulching in the spring ensures good growth and high yields. The plants need daily full sun for a few hours.
Blackberries are sensitive to frost, so late spring is the best time to plant a bramble. For this you dig a sufficiently large hole in which you spread the roots in all directions. Thereafter, the planting hole is filled with soil and set well. All tendrils are 50 cm above the base just above a bud. The shrubs are easy to pull on wires or scaffolding. Between two posts you stretch three to four strong wires, with the lowest in about 50 cm, the top is about 2 m in height. The shrubs are set at least 2m, especially high-growing varieties with a distance of 3 - 4 m. In the first year you pull all the young shoots in one direction, in the next then in another. Although this technique needs more space, but proves to be very beneficial at harvest, because brambles always carry only on last year's shoots. Every year, the tendrils are cut back close to the ground after harvesting. Only in extreme periods of drought in the summer do brambles require additional water.
Cutting and multiplying
Blackberries always produce their fruit on the biennial wood, so any shoots that have carried fruits are cut off directly after the crop after harvesting. This promotes the formation of new shoots and ensures that all berries get enough sun. Excessive shoots should also be removed so that the plant is not too dense. Each plant should consist of no more than six to seven shoots.
Blackberries can be increased by lowering. Here, a shoot of the plant is bent on the ground and covered with soil so that the shoot tip still looks out. If necessary, it can be fixed in the ground with a clamp or weighted by a stone. After about half a year, this sinker has formed its own roots, so that it can be cut off and transplanted from the mother plant. To do this, dig a hole about 10 cm deep near the bramble bush with the planting trowel, carefully bend down a shoot and cover it with soil. In November, the shoot has already formed the first roots. Thus, it can then be separated in the following spring with a 50cm long tendril section directly over one eye and transplant.
Harvest and storage: Blackberries are harvested when they are ripe, that is black. Packaged fruits can be stored deep-frozen for a long period of time. For this one uses only mature and perfect berries. From blackberries can be made especially tasty jams and fruit juices.
Pests and diseases: If some fruits remain red and hard, then it may be the Brombeergallmilbe. For this purpose, remove all dry fruits as a precautionary measure and mulch them regularly. In an emergency you inject vermouth tea. Relatively rarely occur the diseases gray mold and chlorosis.
- 'Block Satin' - strongly growing, stingless variety; big rather sour fruits, ripe from July to September
- 'Jumbo' - very large fruit with sweet and sour aroma, fruitful, ripe from August to September, stingless