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As a crop, the cranberry is a unique agriculture, growing on low vines in marshy areas. Harvesting is also unique - growers flood their bogs, causing cranberries, which have small air pockets in the centre, to rise. The berries are then skimmed from the surface.Europe has its own cranberry growing areas. Swamp cranberries are very popular in Ukraine, Belarus, Russia and the Baltic countries. These berries are harvested by hand where they grow wild in peat swamps, and are a slightly different type to those found in N America.
Contrary to popular belief, cranberries do not require a bog or wetlands for successful culture. Treat them as you would a blueberry with adding acidic organic matter to lighten heavy soils, and mulch well.