Have you ever noticed green caterpillars in your garden, munching on your veggies or flowers? If so, you have probably wondered what exactly they are. This may seem simple, but actually, there are more than one type of green caterpillar. In fact, there is nothing called a ‘green caterpillar’- there are just caterpillars that are green. Does that make sense? If not, then it will after this article explains to you a few common green caterpillars that you may see in your yard.First, let us talk about what a caterpillar is. If you remember your grade-school education (and if you do not, don’t worry; most people don’t), then you know that a caterpillar is actually a creature that turns into another one through a unique process called metamorphosis