When news breaks, you need to understand what actually matters — and what to do about it. At Vox, our mission to help you make sense of the world has never been more vital. But we can’t do it on our ...

CHICO — Why did the caterpillar cross Petersen Memorial Drive? Possibly to feast on the pipevine plant, abundant in Bidwell Park. It’s pipevine swallowtail season, meaning black and orange ...

Add Yahoo as a preferred source to see more of our stories on Google. It is a commonly held belief that one person can’t make much of a difference when it comes to helping the environment. But Tim ...

SAN FRANCISCO — This spring, the dramatic return of a rare, blue iridescent butterfly dazzled onlookers at the San Francisco Botanical Garden in Golden Gate Park. Neighbor John Gale, who visits the ...

Sometimes you place a plant in your garden and forget all about it. That’s how it has been for me with “Aristolochia elegans,” better known as Dutchman’s pipe, pipevine or calico flower. Although I’ve ...

SANTA CRUZ — There may not be butterlfy flutterbys at Pipevine Swallowtail Butterfly Day, but the colorful winged insects have caught the attention of Santa Cruz gardeners with a passion for native ...

Question: In a May 30, 2008 question regarding the toxicity of certain Aristolochia species to pipevine swallowtail larvae, I had heard the same from at a talk from the curator of the Cockrell ...