66% Germination - Non-refundable clearance seeds. 50-60 Days to maturity. Crookneck Summer Squash Seeds. Crookneck squash is ready in about 58 days. The flesh of this squash is bumpy and yellow. The fruit is best harvested when it is 5-6" long. Known as an excellent eating squash, the Crookneck is buttery and sweet. Squash does have crookneck and offers a continuous yield on the vine. This is a delicious yellow squash variety for your garden. These clearance Crookneck Summer Squash seeds are 9% below germination standards. Approx 362 seeds/oz. Click here to view regularly priced, high germination seed.