Digitalis ferruginea reaction. This plant has gained the Royal Horticultural Society's Award of Garden Merit. Digitalis ferruginea Digitalis ferruginea, the rusty foxglove, is a species of flowering plant in the genus "Digitalis" of the family Plantaginaceae. It is native to Hungary, Romania, Turkey and the Caucasus. It is a biennial or short-lived perennial plant growing to , which forms a rosette of oblong dark green leaves and carries spikes of brown, tubular flowers in summer. The Latin specific epithet "ferruginea" means “rusty coloured”, referring to the flowers. As with all species of foxglove, all parts of this plant may cause severe discomfort
Radioactive contamination from the Rocky Flats Plant tests." As noted by Carl Johnson in Ambio, "Exposures of a large population in the Denver area to plutonium and other radionuclides in the exhaust plumes from the plant date back to 1953." Weapons production at the plant was halted after a combined FBI and EPA raid in 1989 and years of protests. The plant has since been shut down, with its buildings demolished and completely removed from the site. The Rocky Flats Plant was declared a Superfund site in 1989 and began its transformation to a cleanup site in February 1992. Removal of the plant and surface contamination was