Monkshood

Aconitum alboviolaceum, commonly known as Monkshood, is a perennial ornamental plant in the Ranunculaceae family. It prefers part shade and medium water, growing 0.6–1.8 meters tall in USDA zones 3–7. This species blooms with blue, white, and purple flowers from July to September and thrives in loamy, peaty, or clay soils. It attracts pollinators, but is toxic.