Cotoneaster

Cotoneaster



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When and how much to irrigate


The plants belonging to the Cotoneaster genus can be evergreen or deciduous. Irrigation is a very important aspect, especially for young specimens. In fact, after planting it is essential to always ensure a regular water supply. In spring and during the summer season the Cotoneaster plants fear temperature fluctuations and extreme heat, so it is recommended to administer the water with a certain frequency. The ideal is to water whenever the upper part of the substrate is dry to the touch. The adult plants of this genus become more and more autonomous with the passage of time and do not need periodic autumn and winter irrigations. However, it is useful during long dry periods, to abundantly water the Cotoneaster plants.

How to take care of it



The Cotoneaster genus includes several hardy and hardy species and varieties. These specimens require cultivation attention only during the first year of age and if they are kept in optimal conditions, they can grow and develop in a luxuriant way. They adapt to different types of soil, calcareous and clayey, but they prefer very well drained, soft and medium fertile substrates. Cotoneaster plants do not like to be decanted frequently and it is advisable to choose a fairly large and roomy container compartment, if they cannot be cultivated on flat ground. The best time to perform the operation is in autumn, before the seasonal vegetative rest. Alternatively, it is possible to repot with the arrival of spring, preferably in March.

When and how to fertilize



To reinforce and make the Cotoneaster plants flourish, it is advisable to periodically administer fertilizations. In fact, the most suitable time to start is with the arrival of the spring season. The use of a good organic liquid fertilizer, to be dispensed approximately every two weeks, guarantees these plants all the nutritional elements necessary for development and leaf emission. The treatments continue cyclically until the autumn months arrive. Alternatively, it is possible to opt for a slow release granular fertilizer, to be mixed directly with the soil. In this case, the administration takes place only twice a year, at the beginning of spring and in autumn. To use specific products it is always advisable to contact authorized personnel.

Cotoneaster: Exposure, diseases and possible remedies



The evergreen or deciduous shrubs of Cotoneaster prefer the sunny and bright exposures. They can also grow in partial shade, but if sufficient hours of light are not guaranteed, their growth and floral production will be affected. Among the pathologies that most fear there is the so-called bacterial fire blow, caused by Erwinia amylovora. Unfortunately there are no effective solutions and the only method to avoid the onset of this disease, is to effectively monitor the individual specimens. In addition, Cotoneaster plants can undergo attacks of aphids and mealybugs in summer. If the infestations are mild, it is possible to intervene with neutral soap, manually eliminating the insects using a cotton pad. Alternatively, it is useful to use specific insecticides.