What happens in the colony in individual seasons? What needs to be done in the bee? Bees expert Wolfgang Ritter answers these questions using a phenological calendar, which includes a total of 10 -year periods and follows some development stages in nature, such as flowering certain plants. The book is so usable in every area - even in the time of climate change! Due to the neutral presentation of operating methods and the type of hive, this manual is suitable for every beekeeper. Beginners and advanced beekeepers will find a very good working tool here, which thanks to their clear structure helps in all beekeeping activities.