苏花4号原名"赣榆15-6"，由连云港市赣榆区农业科学研究所以丰花1号为母本、鲁花3号为父本，进行有性杂交选育而成的花生新品种，于2014年育成，属普通型、中熟、大花生。具有高产、优质、抗病、适应性强等特性。2015年12月通过江苏省品种审定委员会认定，适合江苏省淮北地区各花生产区种植。
Suhua No.4 formerly known as Ganyu 15-6 is a new peanut varieties of sexual hybridization breeding by Fenghua No. 1 as female parent and Luhua No. 3 as male parent, bred in 2014, belongs to the normal, medium and large peanuts, with the characteristics of high yield, high quality, disease resistance and strong adaptability. In December of 2015, through variety approval committee in Jiangsu province, suitable for various peanut production areas in Huaibei area planted in Jiangsu province.