Green pumpkin ‘NongHyup Ae’ F₁ hybrid cultivar was developed by the NH Seed Research & Development Center from 1996 to 1999, which has trailing plant type, oblong fruit shape, short internode length, small leaf. Especially green pumpkin ‘NongHyup Ae’ is high quality and yielding cultivar with firm fruit texture and high femail/male ratio. Female line was developed and fixed with short internode and high female/male ratio. Male line was selected and fixed with firm fruit texture, light green color fruit and oblong H shape fruit. F₁ combination was made and pollinated in 1996 year, hybrid selection and sample seed production were progressed in 1997-1998 year, farmers’ field test was carried out at major green pumpkin cultivation area and resulted in good performance in 1999. Green pumpkin ‘NongHyup Ae’ showed higher yield with high quality than existed varieties.