'Marguerites' are ox-eye daisies.
The ox-eye daisy, also called marguerite, is a wild flower of meadows and fields, native to Europe. Each flower head has 15 to 40 white rays around a yellow centre, and it blooms from May to October. Several streets in Weimershof carry flower names, such as the Rue des Bleuets and the Rue des Muguets.