Waltham Butternut SQUASH 25+ Organic Heirloom SEEDS sweet, buttery flavor An All-American Selection! One of the best, most popular varieties of winter squash! Its sweet, dry, orange-colored flesh makes it ideal for baking, as well as for pies. Uniform 3-6 pound fruit are borne on a vigorous vine. Fruit are buff in color and can store well into the winter. Very Productive. High in vitamin A.