Creating a garden that attracts swallowtail butterflies can bring ... nectar source for adults and a host plant for caterpillars. Fennel's aromatic leaves and yellow umbrella-like flowers are ...

Not only do butterflies depend on a variety of nectar-rich plants to feed on ... in USDA zones 9 and 10. A host to the caterpillars of the eastern tiger swallowtail butterfly (Papilio glaucus ...

Sometimes, nature's surprises come with wings. In a new study, scientists have pulled from a 35-year dataset to examine ...