Squash Seeds - Japanese, Winter - Blue Kuri. Heirloom, Non-GMO. Cucurbita maxima. 45 days after flowering, 95-110 days to maturity. Warm season annual. A traditional open pollinated Japanese kabocha squash that has globe-shaped fruit with blue-green skin. The flesh is thick, yellow and very sweet. Fruit matures to 2-3 lbs and is 6-8" in diameter. The plant has a vine growth habit. Approximately 123 seeds / oz.