Hosta Twin Cities will form a large mound of 22"-24" in height, with a spread of up to 50" at maturity. It is reverse coloured sport of Hosta St Paul which is a tetraploid form of Hosta Pauls Glory. Leaves emerge blue-green with a faint chartreuse margin. The margin brightens as the summer progresses and can be bright yellow if given enough sun. With age the clump has some nice corrugation. It can produce an upright, spreading clump. Light lavender flowers will appear atop of scapes of up to 40 tall, in early summer.