The seasonal calendar of the BZfE as an app! By default, the app lists all vegetables and fruits that are in season for the current month. Buy fruit and vegetables at the right time When are asparagus, strawberries, apples and more in season? The seasonal calendar for fruit and vegetables from the BZfE shows you when it is best to use which fruit and vegetables. The app provides precise information on the current market supply for around 75 types of fruit and vegetables for each month. You ca