100 to 110 Days to full maturity. Cucurbita moschata Calabaza de Castilla Winter Squash Seeds. Annual, Non-GMO, Heirloom. This winter squash pumpkin variety has a rustic light brown color, with hard skin. At full maturity, there are deep ridges on the surface. Calabaza is the word for pumpkin in Spanish. This is a large fruit, weighing about fifteen to twenty pounds. The rinds are brown, the flesh is a rich deep orange. This winter squash is also known as a traditional variety of France, Musquee de Provence, or Fairytale Squash. It has very vigorous lengthy vines, growing sometimes up to 50 feet in length. Approximately 170 seeds / oz.