 It is also known as peanut squash, Bohemian squash, or sweet potato squash.It is a cultivar of the species "Cucurbita pepo", which also includes the summer squash varieties pattypan squash, zucchini, and yellow crookneck squash, as well as winter squash varieties including acorn squash, spaghetti squash, and most pumpkins used as Jack-o-lanterns.Delicata squash are easily grown.