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Wisteria in a vase

How much to water potted wisteria

Wisteria is a notoriously strong climbing plant native to areas subject to very rigid temperatures; its resistance makes it one of the few plant species that are difficult to damage through scarce or, on the contrary, excessive watering. The watering operations of the potted Wisteria depend on its youth: the younger specimens wish to receive numerous and regular watering while the adult specimens can spend a long time without being watered. The only precaution is to keep the soil slightly moist, especially to facilitate fertilization works. The frequency of irrigation fluctuates between two or three times a week during the spring and summer period up to once a month during the humid and particularly cold seasons.

How to grow wisteria


Wisteria loves to live in temperate environments and where there is a correct exchange of air; however, cold or humid environments cannot in any way damage this plant, naturally native to areas of Japan where winters are excessively harsh. To ensure that the potted wisteria grows luxuriantly and further strongly, the most important operation and to which to pay scrupulous attention is pruning, which can be carried out during the beginning of winter and summer: we proceed by shortening all the branches that they grew faster than the others, taking care not to cut the buds. Summer pruning is the one that has the greatest importance on the health of the plant and has the function of maintaining balanced growth and ensuring that the nutrients reach all the branches and flowers.

When and how to fertilize the plant


The potted wisteria needs a constant supply of nutritional elements since a pot can always contain an extremely limited amount of earth compared to the physiological needs of the plant and this substrate tends to be easily depleted, especially due to watering that involves the use of water. strongly calcareous. Before placing the Wisteria in pot it is necessary to compose the first mixture of soft soil mixed with fertilizer to help the plant adapt to its new home and take root very quickly. From spring, usually the preferred period for repotting, until late autumn, the fertilizer must be administered weekly in the granular and slow-release formula, less aggressive towards the sensitive root system.

Wisteria in pots: Diseases and practical remedies


Although it is an extremely resistant climber, the potted Wisteria can be affected by the attack of multiple parasites. Its main natural enemies are aphids, spider mites and cochineals: each of these parasites is clearly visible to the naked eye during the day or after rains as humidity pushes the parasites out into the open. The removal methods can be manual, using a simple cotton swab soaked in water or milk, or in the form of vaporizing highly specific pesticide products. When the wisteria is attacked by the parasite it can show various signs of intolerance such as the loss of foliage and flowers, yellowing, browning or obvious wounds from which the sap comes out. Regular checks must be carried out to avoid the danger of new infestations. Wisteria must always be stored in a dry, ventilated place facing a source of direct light: this simple precaution limits the possible damage caused to the plant through incorrect cultivation operations.

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