Water regularly to keep the soil consistently moist, especially during dry periods. Avoid waterlogged conditions. Allow the top inch of soil to dry out slightly between waterings for established plants.

Prune after flowering to prevent self-seeding, as it can become weedy. Remove any dead or damaged foliage throughout the growing season. Pinching back young plants can encourage bushier growth.

Propagated by seeds sown directly outdoors in early spring or autumn. It can also be propagated by root cuttings taken in late winter. It readily self-seeds.

Repotting is rarely necessary as Bur Chervil is typically grown as an annual or biennial and is often direct-sown. If grown in a container and needing relocation, do so in early spring before active growth begins.