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 ...

Last week I had a picture of a dark form of the eastern tiger swallowtail with my column. The obvious question about any species with more than one color form is: What is the advantage? The advantage ...

The explosion of wildflowers throughout March and April ushers in a favorite Sonoma County phenomenon - the emergence of the pipevine swallowtail butterflies. The explosion of wildflowers throughout ...

Napa Valley has a unique plant growing along its waterways, especially along the Napa River. It is Dutchman’s pipevine (Aristolochia californica) and it is native to California. This plant, one of ...

Today, is The Green Register's third installment of photographs and excerpts from the book Butterflies of Alabama by photographer Sara Bright and nature writer Paulette Haygood Ogard. The featured ...

Gardening for butterflies has been popular now for several decades. And one native Oklahoma butterfly that is interesting to attract is the pipevine swallowtail. This is a black butterfly with ...

A burst of butterflies has suddenly brightened our garden. The ethereal winged creatures are emerging from chrysalises nestled in soil over the winter. Nectar-producing flowers supporting butterflies ...

Question: I have heard that a specific pipevine is poisonous to the larva of Pipevine Swallowtails. Is this true? If so, what is the poisonous species of pipevine, and what other types can I plant ...