Water regularly to keep the soil consistently moist, especially during dry periods. Reduce watering once established, but do not allow soil to dry out completely.

Deadhead spent flowers to encourage reblooming and maintain a tidy appearance. Cut back stems in late fall or early spring to remove dead foliage and promote new growth.

Easily propagated by division of clumps in spring or fall. Seeds can be sown in fall or stratified and sown in spring. Stem cuttings can also be taken in early summer.

Not typically a plant that requires repotting as it is usually grown in the ground. If grown in a container, repot every 2-3 years in spring to refresh the soil and manage root growth.