How to grow dusty miller

Senecio cineraria

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.

Dusty Miller is timed by season rather than your frost dates, so the planting calendar does not generate ZIP-specific dates for it. Check the cited sources below to fine-tune for your area.

Growing conditions

Lifecycle: Annual
Sun: Full sun

Sources

University of Wisconsin-Madison Division of Extension (Wisconsin Horticulture): Dusty Miller, Jacobaea maritima (formerly Senecio cineraria)

Last updated June 18, 2026.