Winter Squashes such as Butternut, Acorn, Spaghetti are grown in the summer, but are harvested and eaten in the mature fruit stage, when the seeds within have matured fully and the skin has hardened into a tough rind.
Winter squash is a low-calorie, good source of complex vegetable carbohydrates and dietary fiber. It is an excellent source of vitamin A, a great source of vitamin C, potassium, dietary fiber and manganese, and a good source of folate, omega 3 fatty acids, vitamin B1 (thiamin), copper, tryptophan, vitamin B6 (pyridoxine), vitamin B3 (niacin) and vitamin B5 (pantothenic acid).