- A dark green gourd develops with a long neck and a hard, knobby shell.
Cavemans Club Gourd Seeds. AKA: Maranka Gourds. 120 days. Annual. Heirloom. Non GMO. are dark green and have a rounded base with a long curved neck that gets thin halfway up to the stem and then grows straight up to the stem. Gourds grow to be 10-16 inches long and weigh 7-14 lbs. They have a shiny hard exterior. Sow seeds outdoors in the spring in full sun. After 120-130 days or when the stems have browned, the gourds are ready for harvest. About 135 seeds per ounce.