Pipevine Swallowtail Pipevine swallowtails are found throughout the eastern U.S. and through the southwest to California. They host on pipevines ( Aristolochia sp), as their name indicates.

We're proud to announce that our California pipevine has finally bloomed, after years of biding its time. The meerschaum-shaped flowers of Aristolochia californica are one of those harbingers of ...

Not surprisingly, pipevine swallowtail larvae feed on the native perennial Dutchman’s pipe vine. Many native perennials such as blazing star, Jacob’s ladder, purple coneflower, ironweed and ...

Tim Wong rescued California Pipevine swallowtail butterflies known for their blue hue In San Francisco, a butterfly species was facing extinction due to the scarcity of its host plant - the ...