This is Monarda media, also known as Purple Bergamot, Purple bee balm, and Horsemint. Growing up to 3 feet tall this plant attracts birds, bees and butterflies. This plant likes to live in sun to partial shade. This plant blooms in the Summer, where it blossoms pink. Monarda plants, in general, are larval host plants for the Pyrausta inveterascalis, Orange Mint, and Hermit sphinx moths. They are also a nectar source for the Dull Firetip, Pine White, Diana Fritillary and Cassus Roadside-Skipper butterflies and the Bedstraw hawkmoth. I am sure that these plants provides for hundreds of other butterflies. USDA Hardiness Zones 4 to 9