Fennel Fennel is another wonderful plant that attracts the Black Swallowtail butterfly. This herb is similar to dill in that it serves as a nectar source for adults and a host plant for caterpillars.

Swooping over meadows and pausing on blooms, swallowtails draw attention with their large size and striking colors. They get ...

Caterpillars feed on a wide variety of trees, shrubs, perennials and annuals. In most cases, ornamental plants tolerate caterpillar feeding and treatment is unnecessary for plant health. If management ...

They’re the host plant for zebra swallowtail butterflies, meaning their larvae feed exclusively on pawpaw leaves. Pawpaw ...