Fields of purple flowers can look romantic and inviting, but some can harbor a dark secret. Larkspur is a toxic wildflower that grows mostly in the western U.S. While human poisonings are rare, ...

Blue Larkspur (Delphinium nuttallianum) is one of nearly a dozen species of this genus in Colorado and is a native of western North America. Delphinium comes from the Greek word for dolphin, which may ...