Water moderately during the growing season, allowing the soil to dry out slightly between waterings. Reduce watering significantly in winter.

Established plants are drought-tolerant and prone to root rot if overwatered, especially in poorly draining soil.

Pruning is typically minimal. Deadhead spent flower spikes to encourage reblooming and maintain a tidy appearance.

After flowering, the plant may die back, so cut back dead foliage in late autumn or early spring to encourage new growth from the base.

Propagation is easily done from seed sown in autumn or early spring, either directly outdoors or in a seed tray. Germination can be erratic and may benefit from a period of cold stratification.

Cuttings can also be taken in spring from young shoots.

Repotting is rarely necessary for Echium vulgare, as it is often grown as an annual or biennial and is quite tolerant of being root-bound. If grown in a pot and it becomes necessary, repot in spring before new growth begins, using well-draining soil.