He regards the shub as a variety of "Prunus cerasus", the sour cherry. The company makes it in orange, grape, sour cherry and raspberry flavour. The Balaton is more sensitive to winter injury than other sour cherry cultivars. He is said to have introduced the sour cherry to Italy. Various cherry cultivars are used, such as black cherries, bing cherries and sour cherry cultivars. It is isolated from apple, pear and sour cherry trees in the German Democratic Republic. Flavors have included Cotton Candy, Paradise Punch, Sour Cherry and Choco Choco Chip. The North Star cherry is a sour cherry tree. Sour cherry commonly refers to cultivars of "Prunus cerasus". It was best known for manufacturing wine gums, Sour Patch Kids and Sour Cherry Blasters. Cultivars of the sour cherry "Prunus cerasus" that are grafted onto dwarfing rootstocks. A Hungarian sour cherry cultivar, Balaton, has been commercially produced in Michigan since 1998. Every year, a sour cherry festival takes place in the Cay district. Traditionally, sour cherry liquor is also served with Turkish coffee in religious holidays. Dessert varenyky fillings include sour cherry, blueberries, sweet cottage cheese, billberies and other fruits.