Which part of Europe is called the garden of europe and why

Keukenhof, one of the world's largest flower gardens in Lisse, The Netherlands, is also known as the "Garden of Europe," April 21, 2018. Keukenhof Park itself is one of the largest flower gardens in the world, with about seven million flowering bulbs planted every year.

Explanation:

The Mediterranean region

Explanation:

It receives plenty of rainfall during the winter season, and this is the reason why it has many different plant species.

The Mediterranean region is a real garden with a variety of flowers with bright colors, especially during spring and summer.