5637 - Sweet Siberian. Evaluated by the New Hampshire Agricultural Experiment Station in 1901 along with Green and Gold, Jones' Jumbo, Ruby Gold and Kleckley Sweet. Only Sweet Siberian and Kleckley Sweet still survive today. Medium-sized, light-green, oblong melons weigh about 8-10 pounds. Extremely sweet, juicy apricot-colored flesh, small black seeds. 75-80 days.