55-75 Days to maturity. Cucumis sativus var. tokiwa. Tokiwa Cucumber Seeds. Warm-season annual heirloom. Non-GMO. This uniform, dark green variety grows 1.5" in diameter and 9-10" long. Although the fruit does have some spines, it is one of the few varieties which retains great flavor and texture even when grown large. Originally from China, Tokiwa became extremely popular in Tokyo during the 1930s for its long vines and has maintained its positive reputation for trellis climbing and fruit production ever since. Approximately 1,100 seeds per oz.