Organic Butternut Squash (Cucurbita moschata) This culinary variety is as flavorful as it is prolific. A wonderful nutty flavor to make the perfect soup or purée. Typical size is about 8Â” long and they can be stored for up to five months. Seed Starts include everything to plant your seeds, grow your seedlings indoors and then transplant to an outside space. Includes: rice paper leak-proof growing bag, organic seed, growing medium, coconut husks for drainage, directions. Bag 9" high x 6" wide.