Mainau, a flowering island
The island of Mainau is a paradise of flowers on Lake Constance. Its climate is mild, which is why palm trees and Mediterranean plants grow here. A stroll along Spring Avenue, with its snowdrops, crocuses and, later, more than 450 different tulip varieties, gets you in the mood for spring. When the weather is good, you can see the snow-covered Alps on the other side of the lake.