Hosta Dewed Steel forms an upright, vase-shaped mound of 18" tall with a spread of 36" at maturity. A Hosta with unique aqua-blue, slightly wavy blue leaves, that show off their white undersides. Lots of glaucous bloom on this hosta giving it a steel-blue look. Leaves held upright on sturdy petioles that are speckled with purple at the base. Forms a dependable medium-sized mound of blue foliage. Striped lavender flowers held on 24" tall scapes, in late summer. Excellent substance making it very slug resistant. The blue bloom protects the leaf surface from the sun, making it fairly sun tolerant.