Dusty miller

Jacobaea maritima

Pet & Human Safety

People: No hazard foundPets: Toxic to pets

Hazardous parts

Not yet checked.

Preparation

Not applicable; this is an ornamental plant.

Hazard type

Not yet checked.

Hazard route

none named by our sources

How complete this information is

The safety information on this page is partial. Where a source covers a point, it is shown; where none does, the page says so.

Toxic to pets

The sources cited for the pet verdict list this plant as toxic to pets.

PlotAndPetal cannot tell you whether a plant you found can be eaten. Only someone who can see the plant can identify it.

Look-alike warning

Could be mistaken for Several other silver-leaved plants also sold as 'dusty miller'. To tell them apart: This guide covers only Jacobaea maritima. Care advice for one silver-leaved plant may not apply to a different 'dusty miller'

Poison control

If someone has collapsed, cannot be woken, is having a seizure or has trouble breathing, call 911 now. For any other possible poisoning, call Poison Help: 1-800-222-1222.

Emergency number source: U.S. federal law (47 U.S.C. § 251(e)(3)), read 2026-10-07.

Naturalist Lore

Historical Background & Breeding Lore

The history of this plant and its name, and how it was bred, where we have them.

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Care

Hardiness zones: Not checked yet
Light: Grows best in full sun; tolerates shade but becomes leggy (Wisconsin Extension).
Water needs: low
Mature size: Up to 2 feet tall and as wide, but as an annual normally a rounded mound 8 to 15 inches tall (Wisconsin Extension).
Where it comes from: Mediterranean (University of Wisconsin Extension).

Soil & Drainage

Pruning & Flush Rhythm

Feeding Schedule

How to prepare the soil, when and what to feed, and how and when to prune where that applies.

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