Annual flower
Dusty Miller plant profile
Senecio cineraria
An annual flower for full sun.
Last updated .
When to plant
When to plant Dusty Miller
Dusty miller is a tender perennial grown as an annual for its silver foliage. Wisconsin Horticulture notes seed is surface sown and germinated at 68 to 77 F; most gardeners buy it as bedding plants and set it out in spring.
The calendar shows this cited seasonal window as an approximate band. It does not convert the season into frost-adjusted dates.
Open Dusty Miller in my garden calendarShows the source-backed planting season, not frost-adjusted dates.
Growing conditions
- Sun
- Full sun
- Lifecycle
- Annual
Next steps
Continue with Dusty Miller
Evidence trail
Evidence behind this profile
Original extension and institutional publications behind the planting, care, and safety facts on this page.
- Dusty Miller, Jacobaea maritima (formerly Senecio cineraria)
University of Wisconsin-Madison Division of Extension (Wisconsin Horticulture). Supports general reference. Checked 2026-06-18.