This is Silene regia, also known as Royal Catchfly. Growing up to 4 feet tall this stunning little perennial attracts bees, birds, hummingbirds, and butterflies. This plant likes to live in full sun to partial shade. From the middle of Summer to early Fall this plant has red and orange blossoms. This plant is a nectar source for the Pale Swallowtail butterfly. USDA Hardiness Zones 5 to 8.