Sophora - Sophora davidii

Sophora - Sophora davidii

Generality

Sophora davidii is a medium or large deciduous tree, native to Asia. The adult specimens of sofora can reach 5-7 m in height; the trunk is erect, densely branched, and the crown is rounded, with a diameter equal to the height of the plant. The bark is dark, gray-brown, smooth; the branches are olive green. The leaves are alternate, pinnate, divided into 10-15 oval, glossy, dark green leaflets; before falling in autumn they turn yellow. In late spring it produces numerous clusters of white and yellow flowers, quite fragrant, followed by long green pods that contain the seeds and which often remain on the plant for a long time.

The “pendula” cultivar has thin and pendulous branches, with a very prostrate bearing, which sometimes graze the ground with the apexes.


Exposure

The Sophora davidii prefers sunny locations and is planted as a single specimen, as it needs a lot of light and good air exchange. It does not fear the cold, even if the young specimens could be slightly damaged by particularly harsh winters.

The sofora is also suitable to be cultivated in marine locations, since it adapts well to the temperate climate, while resisting cold temperatures, but it is a genus that does not like strong winds very much.

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Watering

This kind of trees does not need large quantities of water, and tolerates drought very well. It also withstands winds, as long as they are not too strong, and pollution, which is why Sophora davidii is very suitable for planting along city streets.

The younger specimens of this variety require particular care and attention, given their greater fragility, and, for them, it is good to provide for more regular watering, while the adult Sofora trees can be satisfied with rainfall.


Ground

The sofora prefers loose, deep and well drained soils; before planting it, it is a good idea to prepare the soil by fattening it with a good quantity of mature manure, which guarantees the right amount of nutrition to the plant. It is good to check that the soil drainage is sufficient as water stagnation could compromise the health of this kind of trees.


Multiplication

The multiplication of Sophora davidii occurs by cutting or by seed, given the ease of finding the numerous seeds produced. The new seedlings obtained must be grown for a few years in a cold greenhouse before they can be planted, so that they acquire strength and can be transplanted without problems.


Sophora - Sophora davidii: Parasites and diseases

It can happen that this variety of trees is attacked by aphids or mites, but they are unlikely to cause serious damage. If you notice the presence of parasites, it is good to intervene with the use of phytosanitary products based on pyrethrum, or, to naturally eliminate the problem, you can prepare a mixture with water and Marseille soap, or an infusion with water. in which garlic has been boiled. These compounds, of natural origin, can effectively counteract the presence of parasites.




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