45-55 Days to Maturity. Cucumis sativus. Morden Early Cucumber Vegetable Seeds. Non-GMO, annual, open-pollinated, heirloom pickling cucumber. An extra early cucumber well suited to short-season areas. Developed in Manitoba Canada. in 1956. The short vines produce 5 to 7 inch classic dual-purpose fruits suitable for fresh eating or for pickling. Regular harvesting encourages continued production. ~860 Seeds per ounce.