Zucchini has a split origin story. Its ancestor species was first domesticated in Mesoamerica roughly 2,200 years ago, but the elongated green vegetable we call zucchini today was developed in northern Italy around 1850. That makes zucchini both an ancient American crop and a relatively modern Italian creation.
Ancient Roots in Mesoamerica
Zucchini belongs to the species Cucurbita pepo, a plant family that includes acorn squash, pumpkins, and other summer squashes. Humans in Mesoamerica (present-day Mexico and Central America) began using wild forms of this plant nearly 11,000 years ago, initially hollowing out the hard-shelled fruits to use as water containers and cooking vessels rather than eating them.
The shift from tool to food took thousands of years. Archaeological evidence from radiocarbon dating shows that domesticated Cucurbita pepo, bred for larger, fleshier, less bitter fruit, appeared around 2,190 years ago. By that point, people in the region had already been cultivating a related species, butternut squash, for about 2,000 years. These early domesticated squashes looked nothing like a modern zucchini. They were rounder, harder, and selected for storage life rather than tender flesh.
The Journey to Europe
Squash was completely unknown in Europe until Spanish and Portuguese explorers began carrying seeds back from the Americas in the 1500s. The first documented European record of squash dates to 1591. Once the plants arrived in Mediterranean climates, Italian gardeners took particular interest in them, growing and selecting different varieties over the next few centuries.
For most of that period, squash in Italy was grown to full maturity, dried, and used practically. The word “zucchini” itself didn’t originally refer to a food at all. It appeared in early 19th-century Tuscany as a diminutive of “zucca” (meaning gourd or squash) and described small, dried-out bottle gourds used as containers for storing tobacco.
Milan and the Birth of Modern Zucchini
The zucchini as we know it, a long, dark green summer squash harvested while still immature and tender, traces specifically to the area around Milan in northern Italy. Horticultural records place its emergence as early as 1850. The oldest named varieties, “Nano Verde di Milano” and “Nero di Milano,” both carry Milan in their names, reinforcing the city as the vegetable’s birthplace.
What made zucchini different from earlier squash was a simple but transformative idea: picking the fruit young. Instead of waiting for the squash to mature and harden, Milanese growers harvested it while the skin was still soft and the seeds were barely formed. This produced a mild, versatile vegetable that cooked quickly and absorbed flavors well. The practice caught on across Italy and eventually throughout southern Europe, making zucchini a staple of Mediterranean cooking by the early 20th century.
Zucchini Crosses the Atlantic Again
Zucchini’s path to the United States is a full-circle story. A plant that originated in the Americas traveled to Europe, was transformed by Italian breeders, and then returned to North America with Italian immigrants in the early 1900s. Italian-American communities, particularly in California and the Northeast, grew zucchini in home gardens and sold it at local markets. It remained a niche, ethnic vegetable for decades before gaining mainstream popularity in the mid-20th century.
Today, zucchini is the most widely grown summer squash in the world. It thrives in warm climates and produces fruit quickly, reaching harvest size in just 50 to 65 days from transplant. Home gardeners know it as one of the most prolific plants in the garden, often yielding more fruit than a single household can eat.
Why the Name Differs by Country
The word “zucchini” is technically Italian plural (the singular is “zucchino”), literally translating to “little squashes.” North America adopted the Italian name, likely because of the immigrant communities that popularized the vegetable here. In Britain and much of the Commonwealth, the same vegetable is called a courgette, borrowed from French. In Italy, it sometimes still goes by “zucchina” in the feminine form, depending on the region. Australia and New Zealand use “zucchini,” following the American convention.
Despite the different names, all of these refer to the same plant: Cucurbita pepo, harvested immature, with tender skin and mild white flesh. It’s a vegetable with a 2,000-year genetic history and a 170-year culinary identity, shaped on two continents before becoming one of the most common vegetables on earth.