‘;GRAbgtg’; is a new and distinct floribunda type Rosa hybrid plant which is characterized by the combination of an upright growth habit, good resistance to Diplocarpon rosae and moderate Podosphaera pannosa, nearly continuous flowering, distinct flower color dominated by burgundy red with irregular pink variegated areas that are splashed and flecked with burgundy red, a very strong rose fragrance, and the stability of these characteristics from generation to generation. The new cultivar is generally suited to landscape applications.