Apple tree Renet Simirenko — a vigorous tree with a wide, dense, and spreading crown, often of a bowl-like shape. The bark of the trunk and branches is dark gray with a brownish tint, and on the sunny side may have an orange hue. It fruits on mixed buds, primarily on last year's growth. Flowering is medium-late, protecting the variety from spring frosts. High frost resistance and drought tolerance allow growing this apple tree in various climatic conditions. Self-sterile, for pollination, the following varieties are recommended: Aidared, Korey, Golden Delicious, Kuban Spur, and Pamyat Sergeevu.