Which one has been bred as a GMO creeping bent grass,  Weigela or Agrostis?
Weigela: Weigela is a genus of between six and 38 species of deciduous shrubs in the family Caprifoliaceae, growing to 1–5 m (3-15') tall. Agrostis: Agrostis (bent or bentgrass) is a large and very nearly cosmopolitan genus of plants in the grass family, found in nearly all the countries in the world. Agrostis:  It has been bred as a GMO creeping bent grass.
Agrostis