Yes! There are many different kinds of zucchini, as well as many varieties of summer squash. Green zucchini, intended for this recipe, has a mild flavor and a soft, delicate texture. Depending on the season, zucchini can range in sizes from a few inches to about a foot in length. Their width can vary tremendously too. For this recipe, it is recommended to find hearty zucchini that can hold a decent amount of filling once hollowed out. For different kinds of eaters, from kids to grown adults, you can choose a variety of sizes for different serving sizes or simply cut a larger zucchini in half once cooked.