90 to 95 days to maturity. Lagenaria leucantha var gourdaMiniature Bottle Gourd Seeds. Heirloom, Annual, Non-GMO. These miniature bottle-shaped gourds grow up to 12 inches long, and have a diameter of 4 to 5 inches. These are best harvested after the plant is fully mature and dry. They can be used as containers or decorations. While it is possible to eat the cooked immature gourds, they are bitter and can cause indigestion. Approximately 450 seeds / oz.