The Myrtle

Irrigation of the myrtle

Myrtle is a shrub native to the territories of Mediterranean Europe and northern Africa, and belongs to the large family of Myrtaceae. This plant, very present in the landscapes of southern Italy, has a fair need to be watered, in relation to its positioning and the current climatic season. If placed in a hot and sultry place, it should be wet regularly during spring and summer, taking care to avoid stagnation of water, dangerous for the roots, where the need for irrigation is minimal in the cold season. Although myrtle, by its nature, is able to resist and adapt well to high temperatures and also to drought and poor spraying, its periodic moistening is always recommended,

Care and cultivation

Myrtle is typically a plant to be placed outside, but it can also be grown in pots, preferably opting for the smaller evergreen varieties. If placed in a container inside the house, it will be placed in a sunny place sheltered from currents and subjected to frequent watering, as well as repotted, when possible, taking care not to eliminate the earth between the roots. Furthermore, this evergreen will never be subjected to particular pruning operations, as it is sufficient to eliminate or cut some old twigs from time to time, if not in good condition. Conversely, it will be necessary to avoid excessive or invasive pruning, since in this case there is the risk of compromising the wonderful characteristic flowering of the plant, which occurs at the end of spring.


As far as fertilization is concerned, a few simple rules must be followed. As a rule, the shrub will be fertilized to coincide with the arrival of the first spring days, while fertilization works in the cold season must be avoided. Specific solid, slow-release or liquid fertilizers, diluted in irrigation water, can be used. In particular, fertilizers with nitrogenous components are recommended, useful for the luxuriant growth and flowering of the shrub, and with potassium elements, which guarantee the right presence of nutrients in the soil and facilitate the absorption of water by the roots. The so-called organic fertilizers are widely used, appreciated for their ability to keep the growing medium alive and vital.

Il Mirto: Myrtle exposure and diseases

The myrtle is normally placed outside the house, for the entire duration of the year. This evergreen, on the other hand, has no difficulty in being exposed to direct sunlight, even very intense, but is also perfectly suited to penumbra environments. It loves hot and even sultry temperatures, while it does not tolerate intense and persistent cold. Therefore, it will be placed in environments with a climate never lower than 3 – 4 C °, to avoid forms of progressive weakening or even serious diseases of the plant. Finally, the shrub can be subjected to attacks by insects and parasites, such as the fearsome cochineal and aphid. In this case, it will be advisable to manually remove the insects from the plant, where possible, or, in the most serious cases, to use specific insecticides and fungicides.

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