Galium verum. Also known as Yellow Bedstraw. A perennial plant which has whorls of slender, dark-green leaves and from July to August honey-scented, golden-yellow flowers are borne. It has a pleasant smell of new mown hay when dried which explains why it was once used as a mattress filler. Ideal for a sunny wildflower or perennial border, it’s an important food-source for caterpillars of the broad-bordered bee hawk moth.
Grow in full sun in poor soil. It will reach a height and spread of 50cm.