Water regularly, keeping the soil consistently moist but not waterlogged. Allow the top inch of soil to dry out slightly between waterings, especially during warmer months.

Deadhead spent flowers regularly to encourage more blooms and maintain a tidy appearance. Lightly trim back leggy stems to promote bushier growth and prevent straggling.

Easily propagated from stem cuttings taken in spring or summer. Seeds can also be sown in spring, but cuttings often result in plants true to the parent cultivar.

Repot container-grown plants annually or when they become root-bound, typically in spring. Use a fresh, well-draining potting mix. Ensure the new pot has adequate drainage holes.