A good plant for bees and butterflies, it is also an important food plant for the caterpillars of many species of butterfly.
The flowers are very fragrant. An essential oil is obtained from the flowers. Used in perfumery.
A yellow dye is obtained from the plant.
Easily grown in any well-drained neutral to slightly alkaline soil in a sunny position or in some shade if the summers are long and hot.
Sow in situ in the spring and only lightly cover the seed. Germination usually takes place within 2 weeks. An autumn sowing usually succeeds in areas where winter temperatures do not fall below about -10°c.