80-100 days. Vegetable Spaghetti Winter Squash Seeds. Cucurbita pepo. Non-GMO. Open Pollinated. Grow your own pasta replacement with Vegetable Spaghetti Winter squash seeds. This spaghetti squash is ready in just 80 days, and stores well throughout the winter. An undamaged squash can last months in the right conditions. Vegetable Spaghetti squash seeds are recommended by Utah State University and can mature to over 8" long. Approx 220 seeds/oz.