SubRosa
BS Bulldozer
Full disclosure, this plant is actually in the bog, but isn't supposed to be. Each year I grow a pot of these annuals from the previous year's seeds, and usually a plant or two pop up around the garden. This year the pot went bust, not a single plant germinated. And this is the only volunteer, so even though it grew where it shouldn't, I need it for seed. Opium Poppy, Papaver somniferum: