Hosta Growing Tips White Oak Nursery Blue Hostas The blue color in hostas is generated by light reflecting off a waxy substance covering a green leaf. As the season progresses and that waxy coa

Hostas - perennials that get better with age Flower Gardening Made Easy It used to be, if you had green- or blue-leafed hostas or variegated ones, that was it. But that's all changed. Thanks m