110 Days to maturity. Cucurbita maxima. Sibley Winter Squash Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to common storage rot. Known for its long storage life, Sibley produces teardrop-shaped blue-gray fruit with deep orange, dry, and sweet flesh that improves in flavor after curing. A favorite heirloom introduced in 1887. ~175 seeds/oz.