A new and distinct variety of strawberry plant, herein referred to by its cultivar name, ‘;NSG 203’;, is provided which forms in abundance attractive early-season ripening large, medium red generally conical fruit having firm flesh that is longer than broad in configuration. A medium to high vigor is exhibited. The growth habit is dense, semi-upright and globose. White inflorescence is displayed. Commonly a calyx is displayed which is substantially bigger to the diameter of the corolla when open. The new variety is particularly well suited for the commercial industry.