Siberian larkspur

Delphinium grandiflorum is a species of Delphinium known by the common names Siberian larkspur and Chinese Delphinium. It is native to Russia and China. There are several popular cultivars in several colours which are grown as ornamental plants, including 'Blue Butterfly', 'Summer Morning', 'Blue Mirror', and 'Summer Stars'. Like many other larkspurs, this plant is poisonous. It is much shorter and more compact than the more familiar tall D. elatum, with dispersed flowers, rather than single...