Sun catchers in the garden – what function do the yellow discs have?. As of: March 25, 2024, 2:30 p.m By: Joana Lück CommentsPressSplit Suncatchers are becoming increasingly common in Germany's gardens.

They look like small, neon-colored UFOs that are impaled on a stick and float over meadows, garden beds and trees. But do the discs have an impact on the plant world? No. The main function of suncatchers is to create a beautiful atmosphere on a cloudy day.