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Common Sneezeweed growing in a garden

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 calendar

This uses the published planting season. It is not adjusted to local frost dates.

Growing conditions

Sun
Full sun
Lifecycle
Perennial
Hardiness
Zones 3 to 8Find my hardiness zone

Next steps

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Evidence trail

Evidence behind this profile

Original extension and institutional publications behind the planting, care, and safety facts on this page.

  1. Helenium autumnale (Common Sneezeweed)

    NC State Extension Gardener Plant Toolbox. Supports general reference. Checked 2026-06-18.