What Do Black Swallowtail Caterpillars Eat?

Black Swallowtail caterpillars will eat parsley, dill, fennel and rue, so if you have plenty of these in your garden your caterpillars won’t starve, unless you have too many caterpillars. Black Swallowtail caterpillars eat much and grow very quickly. Once Black Swallowtail caterpillars come out of eggs they start chewing leaves, but as they grow they may eat off all the flowers and if they lack food they will start gnawing harder and thicker stems of the host plants. Giving parsley or dill from the grocery store to Black Swallowtail caterpillars may be possible if they are starving and you don’t have any suitable plants in your garden. But many caterpillar owners will urge against this: grocery food may contain chemicals toxic to Black Swallowtail caterpillars. Wash the grocery plants well if you caterpillars have nothing else to eat.

What Do Black Swallowtail Caterpillars Eat? More Food!Keeping Swallowtail Caterpillars indoors under control makes sense, this is a way to protect both the caterpillars from predators and your own garden from caterpillars, especially if you like parsley and dill too:).

When your Black Swallowtail caterpillar reaches 1.5 inches or about that size it will be ready to pupate.

Black Swallowtail ButterflyAlso, plant Black Swallowtail host plants in your garden if you want to attract egg-laying butterflies to your garden and have more caterpillars. The butterflies will lay eggs only on the host plants, otherwise the newly born caterpillars won’t be able to eat and will die.

To help you in raising caterpillars, Caterpillars in the Field and Garden, a handy field guide to the butterfly caterpillars of North America offers complete information on Black Swallowtail Caterpillars and other types. This guide will help to search and identify caterpillars, differentiate between grown up and young individuals, distinguish butterfly and moth caterpillars and much more. Includes a complete list of host plants for different caterpillars and butterflies

A the butterfly gardening sections offers valuable information on establishing a butterfly garden and raising healthy butterfly caterpillars. Over 900 full-color photographs.

Take good care of your Black Swallowtail caterpillar and feed it well in order to give this world another wonderful butterfly!