- The most popular butternut squash with a uniform shape, few crooknecks, and no stringiness.
Cucurbita moschata (110 days) The most popular butternut squash. Waltham is more uniform in shape and size, with fewer crooknecks. This Organic butternut has an excellent interior texture and color. Typically grows 8"x4" and can weigh up to 6 lbs. Approx. 160 Seeds per ounce.