The laurel is a perennial evergreen tree that can reach heights of 10 m, although it is normally cultivated in shrub form to create ornamental vegetable coverings and hedges. The plant has an erect stem with a green-black bark, the leaves show a dark green color and are shiny in the upper part and opaque in the lower one. The laurel shows a yellow inflorescence with flowers that bloom in spring. The fruits of the laurel are fleshy and contain a single seed. The natural habitat of the laurel includes the whole Mediterranean basin, the diffusion is such that it can be created in optimal environmental conditions, real patches of vegetation. This can occur in areas that have a less arid and fresher climate.
Laurel is a rustic plant that can be easily cultivated and does not require a great deal of care, although it can be attacked by diseases and parasites. So it would be advisable to prevent or understand how to recognize the symptoms in order to cure the plant in time. On the contrary, if the leaves showed a yellowish color, the cause would be insufficient irrigation. A parasite that could affect the laurel is the brown cochineal, which can be identified by looking at the lower page of the leaves. In this case there would be brown spots that can be eliminated with an alcohol impregnated wad or by spreading on the pesticide leaves.
In case the plant shows deformations on the buds and leaves, it could be in the presence of an attack by the psyllid. This insect is very widespread and particularly harmful for crops. In fact, the bites of young insects can cause a deformation that can be found on the underside of the leaves and on the shoots, causing very harmful galls. As a result of the attack the leaves roll up and the plant stops its growth completely. The psylla prefers the parts of the plant with greater humidity, so to prevent attacks one should make prunings that improve air circulation. In case of attack already occurred it is advisable to eliminate the parts of the affected plant and intervene with specific products.
Bay laurel diseases: laurel care
In case the leaves turn yellow and are speckled with yellow and brown and cobwebs are observed on the underside of the leaves, it could be in the presence of an attack by the red spider. The leaves that have been infested start to crumple and fall. In this case it would be advisable to spray the foliage, as this mite prefers dry climates, or to use a suitable insecticide. Even the aphids can hit the bay, reaching to completely infest the plant in a short time. To be able to recognize them it is sufficient to observe the plant and look for small insects with a whitish color tending to green. In this case the only possible remedy is the use of a pesticide suitable for the purpose.