Galium verum

Ladies Bedstraw Ideal for a sunny wildflower or perennial border, in summer honey-scented golden-yellow flowers are produced. It has whorls of slender, dark green leaves, which have a pleasant smell when cut and dried. An important food source for caterpillars of the broad-bordered bee hawk moth. As the name suggests, it was used in Victorian times as a mattress-filler. Not only did it have a pleasant smell, but it also helped repel fleas.