Diabolo Ninebark Shrub: Facts, How To Grow & Care
Origin & Introduction Diabolo Ninebark is a cultivar of Physocarpus opulifolius, a species native to the eastern and central regions of North America. The cultivar itself, however, was selected and developed in the Netherlands during the late 1980s and introduced to the horticultural market in the early 1990s. Its dramatic, near-black purple foliage was an instant … Read more