Water regularly, especially during dry spells, to keep the soil consistently moist but not waterlogged. Allow the top inch of soil to dry out slightly between waterings. Reduce watering in autumn as growth slows.

Deadhead spent flowers regularly to encourage reblooming. Cut back the plant by about half after the first flush of flowers to promote a bushier habit and a second bloom. Remove any dead or damaged foliage in spring.

Propagate by division of clumps in early spring or autumn. Alternatively, sow fresh seeds in autumn or spring, or take basal cuttings in late spring. Ensure cuttings are kept moist and in a shaded location.

Geranium pratense is a perennial that typically does not require frequent repotting once established in the garden. If grown in pots, repot every 2-3 years in spring into slightly larger containers with fresh potting mix.