A new peanut variety ‘Jaseon’ (Arachis hypogaea ssp. fastigiata.) was developed by the Department of Functional Crop, NICS, in Milyang in 2011. This was developed from the cross between the large grain cultivar ‘YG60’ and the short stem cultivar ‘YG55’. ‘Jaseon’, which is a Shinpung plant type, has 11 branch number and 43 cm in main stem length. Each pod has two grains with brown testa and long-ellipse shaped large kernel and its 100 seed weight was 98 g in the regional yield trials (RYT). ‘Jaseon’ showed 43.2% of crude oil and 43.0% of oleic acid composition in dry peanut, and had 25.0 mg/g of Sucrose and 4.4 mg/g of tannin content in fresh peanut. In the regional yield trials, ‘Jaseon’ was outyielded by 15% with 10.21 MT/ha for fresh pod and by 11% with 4.37 MT/ha for dry grain, compared those of check variety.