Silene coronaria, the rose campion, is a species of flowering plant in the family Caryophyllaceae, native to Eurasia. Other common names include dusty miller (which also refers to Centaurea cineraria and Jacobaea maritima), mullein-pink and bloody William. In the United Kingdom it is still widely referenced under its synonym Lychnis coronaria.
It is a perennial growing to tall by wide, with grey felted leaves and single, bright magenta flowers produced in succession around July. Though short-lived, the plant readily self-seeds in favourable locations. It is sometimes grown as a biennial.
The Latin coronaria means "used for garlands".
It has gained the Royal Horticultural Society's Award of Garden Merit, as has the white-flowered cultivar 'Alba'.