Perennial flower
Common Sneezeweed plant profile
Helenium autumnale
A perennial flower for full sun.
Last updated .
When to plant
When to plant Common Sneezeweed
Grow in average to rich soils that stay moist to wet, in full sun. It is propagated by division, and cutting it back in early summer encourages branching and more flowers.
The calendar shows this cited seasonal window as an approximate band. It does not convert the season into frost-adjusted dates.
Open Common Sneezeweed in my garden calendarShows the source-backed planting season, not frost-adjusted dates.
Growing conditions
- Sun
- Full sun
- Lifecycle
- Perennial
- Hardiness
- Zones 3 to 8Find my hardiness zone
Next steps
Continue with Common Sneezeweed
Evidence trail
Evidence behind this profile
Original extension and institutional publications behind the planting, care, and safety facts on this page.
- Helenium autumnale (Common Sneezeweed)
NC State Extension Gardener Plant Toolbox. Supports general reference. Checked 2026-06-18.