Aromatic plants


How to irrigate the fennel

The watering of fennel must be regulated on the basis of the season and rainfall; during the summer, and especially in the case of absent rains, the administration of water should be performed approximately every two weeks, taking care to dry the soil between one operation and the next. Water stagnations are very dangerous: they cause, in fact, rottenness at the roots, and consequently lead the plant to a state of general weakness. For this reason, rainwater is sufficient during the winter and, therefore, irrigation must be stopped. Preferably, the method to be adopted is the drip method, which allows to better manage the resources, obtaining a high saving, and to wet the plant continuously or discontinuously according to the needs.

How to grow and care for fennel

This plant with numerous properties needs a little compact and well-drained soil, in order to develop in an optimal way; the multiplication of fennel occurs through sowing, but alternatively it is possible to easily obtain seedlings to be raised in the nurseries. A first planting must take place in a container filled with soil, peat and sand; then a careful transplant must be carried out in the garden or in another container, naturally larger. It is essential to periodically remove the weeds, which take away the nutrients it needs from the plant; in addition, it is suggested to mulch the soil once a year, to make it more aerated and to improve its characteristics. Pruning should be done to cut dry leaves or those affected by fungi.

Fertilizing the plant

A first fertilization of the fennel must be completed before planting, with organic products such as, for example, mature manure; subsequently it is recommended to carry out this important operation annually, with a ternary fertilizer based on potassium, phosphorus and nitrogen. These three macro elements, together with micro elements such as magnesium and manganese, must never be lacking in the bred specimen, since each of them plays indispensable roles. Potassium contributes to the production of ATP and to the increase of frost resistance; phosphorus provides rooting and metabolism; finally, nitrogen helps the growth of the vegetative parts. A lack of these substances would greatly slow down the development of the plant; fertilization, therefore, must be carried out with great attention.

Fennel: Exposure, parasites and diseases

Fennel does not tolerate too low temperatures; exposure must take place in the sun, in a bright spot sheltered from intense winds. The plant could be subject to aphid infestations, which not only cause widespread perforations to suck the sap, but also represent a vehicle for viruses and infectious diseases: it is suggested to proceed, for the treatment, with an effective nettle macerate or alternatively with an infusion of garlic. Among the fungal diseases it should be noted the cercosporiosis, caused by fungi of the genus Cercospora; the damage that the latter cause to production is enormous. It is necessary to eliminate the attacked parts as soon as possible and burn them, to then disinfect the cuts with cicatrizants and subject the sick specimen to specific fungicidal products.

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