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. The flowers are very fragrant. Plants are sometimes cultivated for the essential oil in their flowers. A good plant for bees and butterflies, it is also an important food plant for the caterpillars of many species of butterfly.

None known

Seed - 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.

a common weed, it also grows amongst rocks.