It has rapid growth rate and mounding form. Stained Glass differs by displaying its variegation earlier in the spring and maintaining a much brighter, brilliant gold throughout the season. Prominent veins throughout the leaf gives it a stained glass window effect. Large fragrant near-white flowers perfume the garden in August. This hosta really impresses me. I have never had a hosta that keeps looking better and better as the season goes on. It almost seems like it glows in the dark in shady areas or evening time. Matures at 15 inches high and 32 inches wide. Zones 3-9.