Delphinium grandiflorum is a species of Delphinium known by the common name Siberian larkspur. It is native to Russia and China. There are several popular cultivars in many colours which are grown as ornamental plants, including 'Blue Butterfly' and 'Summer Stars'. Like many other larkspurs, this plant is poisonous. It is much shorter and more compact than the more familiar tall spikes of D. elatum. It is a short lived perennial.