Joe Pye Weed, is found in damp meadows, thickets and coastal areas of eastern North America. 'Gateway' typically grow 4-6' tall on branched, purple-speckled stems clad with serrate, lance-shaped, medium green leaves (to 8” long) that typically appear in whorls of 3-6.  Prefers moist, fertile, humusy soils which do not dry out.  This is a butterfly magnet in late summer time. 
To direct sow in the fall, scatter seeds across the bed and lightly rake them in. Keep the soil moist until the ground freezes. Start seeds indoors in early spring after 30 days of cold stratification.