Cherry Bull's heart

Cherry is one of the tasty and sweet berries. Almost every gardener dreams of planting a cherry tree on his plot. How to choose the right cherry variety. Most people prefer large and sweet berries. The winter hardiness of the variety is also important. Large-fruited varieties include “Tyutchevka”, “Revna”, “Raditsa”, “Iput”, “Astakhov’s Favorite”, “Pamyat Astakhov”, “Sadko”.
The winter hardiness of a variety may vary, since the wood and buds may react differently to the cold. For example, only the kidneys can freeze. Winter-hardy varieties include “Iput”, “Revna”, “Veda”, “Tyutchevka”, “Fatezh”, “Bryansk pink” cherry, “Valery Chkalov” cherry. Cherry varieties also differ in the quality of the pulp; there are varieties with soft and non-transportable pulp, and others with dense pulp that can be stored longer.
One of the good varieties is the Bull's Heart cherry. This cherry tree is a medium-sized tree with a pyramidal crown of medium density. The Bull's Heart cherry bears fruit more often on bouquet branches. The average weight of the fruit reaches 7 grams. The fruits have a flat-round and leveled shape, somewhat reminiscent of a heart. When ripe, the fruits crack. The skin of the berries is dense, dark, even black in color. Dry separation from the berry stalk. The flesh is also dark red, dense and juicy. The fruits have a very sweet and excellent taste. The variety is characterized by relatively high winter hardiness. Almost complete immunity to coccomycosis is observed. This cherry variety is universal in purpose.
Comments
Is it worth growing Ox's heart in Western Siberia? We have winter with frosts of -40 C.