Cucurbita
Many types of squash, both winter and summer, are available these days at your local supermarket. Summer availability, especially of winter squash will depend upon variety.
All types of squash are usually very easy to grow. They need full sun and plenty of room. Squash plants are very prolific, so you don't need very many plants to produce all the squash you and your neighbors and friend will want.
Contains Calcium, Folate, Manganese, Magnesium, Niacin, Potassium, Thiamin, Vitamin A, Vitamin C, and Vitamin E. Low in Cholesterol, Saturated Fat and Sodium.
Soups, side dishes, jack-o-lanterns, stuffed, whipped, cubed, and many more ways to eat wonderful squash.
It's not commonly done, but every part of the squash plant is edible, which includes leaves, sprouts, flowers, and the fruit itself. There are many different types of edible squash, both summer and winter varieties. Experiment! Find a market that prides itself over the number of varieties offered. Make soup, make cookies and pies, make omlettes, tacos... Love your squash!
This article from Wikipedia provides information on the taxonomy, biology (including germination and seedling info), a history of how squash became domesticated. There is information on nutritional benefits, and more.