Blackberries without thorns

When to water them

Thornless blackberries are very simple plants to grow both in pots and in the garden as they are suitable for any type of soil and less prone to pest attack than other plants such as, for example, raspberries. Thornless blackberries, in addition to being easy to grow, are rich in antioxidants, minerals and vitamin A and ideal for preparing delicious jams or tasty desserts. To allow healthy and lush growth of thornless blackberry plantsit is essential to pay close attention to watering which must always be carried out at the base of the plant and never in rain and this to avoid damaging the leaves exposed to the sun. As far as quantities are concerned, it is advisable not to overdo the water intake and proceed with watering the plants only when the soil is dry and dry. It is possible to water the blackberries without thorns either using a hand watering can or a fixed system, preferring in the latter case the drip and microjet systems as they are capable of distributing small volumes of water.

How to grow them

The ideal time to plant thornless blackberries is spring, from March to early summer. To make the plant it is necessary to buy the seedlings, choosing between those with bare root or in peat bread. Whatever the choice, to allow a good rooting of the plant it is essential to place the root or the peat bread at a greater depth than the collar, placing the plants at a distance of about one meter from each other. Another technique of cultivation of thornless blackberries, perhaps the most spectacular, is the espalier one which consists in creating a vertical structure, a couple of meters high, to support the plant to which the shoots will then be tied at a distance of about 30 centimeters. Pruning is very important for the productivity of the blackberry plant, which consists in letting 3/5 suckers per plant grow, eliminating the weakest ones. During the winter it is good to carry out a further pruning to eliminate the shoots that have produced the fruits, also going to thin out the suckers, leaving an average of 3/4 per plant, which will be tied to the supports at a height of about two meters .

How to fertilize

Thornless blackberries are plants that do not require particular fertilization interventions as they are able to adapt and grow in any type of soil, while preferring those soils that reproduce the characteristics of the undergrowth. In principle, therefore, both in the growth phase and in the life of the plants it is not necessary to intervene with fertilizers unless the soil has particular deficiencies. To ensure good growth for thornless blackberry plants, it is recommended to carefully prepare the soil where they will be grown by adding acidophilic fertilizer or organic fertilizer, preferably in a granular formulation that is easier to distribute. For the cultivation of thornless blackberries it is also advisable to avoid land where strawberries or raspberries have previously been planted and this to prevent the spread of fungal infections.

Blackberries without thorns: diseases and remedies

Thornless blackberries are less prone to disease, however they can be attacked by pests and infections that need to be quickly identified. Like all other cultivated plants, thornless blackberries can also be affected by fungal infections that must be treated using specific fungicides such as Bordeaux mixture or sulfur-lime solutions. If, on the other hand, blackberry plants suffer the attack of mites, termites and Japanese beetles, it is possible to intervene with do-it-yourself insecticides such as tobacco or orange oil, which are very effective in protecting the leaves and berries. The weakening of the plants can also be caused by the lack of nitrogen in the soil, a deficiency that leads to a progressive yellowing of the leaves; in this case it is possible to remedy by fertilizing the base of the affected plant with coffee beans. Finally, in the event that a plant is affected by a virus it is good to isolate it from the others and, if necessary, proceed with the removal.

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