Dill is an Eastern Black Swallowtail favourite host. Caterpillars eat leaves and stems.
Another Eastern Black Swallowtail favourite. This feathery leaves is a great food source.
Eastern Black Swallowtail caterpillars enjoy this common herb.
Giant Swallowtail caterpillars eat rue, a hardy perennial.
Eastern Black Swallowtail caterpillars also eat carrot leaves
The wild carrot Queen Anne's Lace hosts Eastern Black Swallowtail caterpillars.
Milkweed hosts some Swallowtail butterflies, but Monarchs are better renowned.
This natural shrub hosts Spicebush Swallowtail eggs and caterpillars that eat the leaves.
The Giant Swallowtail lays eggs and caterpillars eat this plant.
Eastern Tiger Swallowtail larvae eat wild cherry leaves.