How to Prune sneezeweed 'Mahagoni'?
No pruning required, but chopping or pinching out a section of plants in late spring can result in bushier growth that flowers slightly later, hiding leggy stems. Deadheading will also prolong flowering

sneezeweed 'Mahagoni' · Helenium 'Mahagoni'
Grow in full sun in fertile, moisture-retentive, humus-rich soil. Tall stems may need support (see staking: perennials). Divide every two to three years to maintain vigour
No pruning required, but chopping or pinching out a section of plants in late spring can result in bushier growth that flowers slightly later, hiding leggy stems. Deadheading will also prolong flowering