Photo of first instar monarch caterpillar

After hatching from an egg, monarch caterpillars live about 10-14 days. (Read about the monarch butterfly life cycle here) However, a lot happens in that time. The larval stage of a monarch is called a caterpillar. When the caterpillar first hatches, it is 2-6 mm long. As it grows, it molts — sheds its skin…

Read More
Photo of a black swallowtail caterpillar

We stress that it is important to plant milkweed because it is the only plant that monarch butterflies lay their eggs on and that their caterpillars eat. However, some people have come to us confused that monarch caterpillars are eating the dill in their yard. Taking a closer look though, it’s not monarch caterpillars eating…

Read More