Walnut is a tree that can reach 20 or even 25 meters. His crown is wide and branched, usually conical in shape and reaches a width of 15-20 meters and more. The trunk is straight and strong and reaches a thickness of 100-150 cm in diameter. The root system is expanded, and the main vessels can penetrate 3-5 meters in depth. Yield and yield of nuts depends on several factors, among which are the time of flowering and fructification, who are very important. Flowering nut takes place from the beginning of the third decade of April to the end of the first week of May, depending on the characteristics of the variety, that is. types of nuts, altitude, temperature conditions at the end of winter, and the beginning of spring, in the time prior to flowering. Nuts usually ripen in September. In some varieties and types of fruits ripen earlier (late August) or later (in early October), depending on the biological characteristics of the variety.