Water Johnny-nip moderately, allowing the soil to dry slightly between waterings. Avoid waterlogging, as this can lead to root rot. Ensure good drainage in pots or garden beds.

Reduce watering during cooler months when the plant is less actively growing.

Pruning Johnny-nip is usually minimal. Deadheading spent flower stalks can encourage reblooming and maintain a tidy appearance.

In late fall or early spring, trim back any dead or damaged foliage to promote new growth and improve air circulation.

Johnny-nip can be propagated by seeds sown in autumn or early spring. Stratification may improve germination rates. Division of established clumps in spring is another effective method.

Ensure cuttings or divisions are kept moist until established.

Repot Johnny-nip only when necessary, typically when the plant becomes root-bound. This is usually every 2-3 years. Choose a pot with good drainage.

Handle the roots gently during repotting to minimize stress, and water thoroughly afterward.