Globeflower thrives in consistently moist soil, particularly during its active growing and flowering periods. Ensure the soil never dries out completely, especially in warmer climates or full sun exposures. Regular watering is crucial, aiming for deep saturation without waterlogging. Reduce watering slightly during its winter dormancy.

Deadhead spent flowers to encourage further blooming and prevent self-seeding, which can weaken the plant. After the main flowering period, cut back the foliage to about one-third its height to promote a tidy appearance and sometimes a second, smaller flush of blooms. Remove any yellowing or damaged leaves as needed throughout the season to maintain plant health and aesthetics.

Globeflower can be propagated by division in early spring or autumn every 3-4 years to maintain vigor. Carefully lift the clump, divide it into sections with healthy roots and shoots, and replant immediately. Seeds can also be sown in autumn or spring, but germination can be slow and erratic, often requiring a period of cold stratification to break dormancy and ensure successful sprouting.

While primarily a garden plant, if grown in a container, repotting should occur every 2-3 years in early spring. Choose a pot one size larger with good drainage to accommodate root growth. Use a rich, moisture-retentive potting mix that mimics its preferred garden soil. Division can be performed during repotting if the plant has become too large for its container, refreshing its growth.