Masja Bigleaf Hydrangea Huge Heads of Showy Red Blooms A superb red hydrangea! Big, pink red mophead flowers are punctuated with occasional creamy eyes and framed by attractive, glossy green foliage. Mounding habit lends itself to borders, accents, or even container plantings. Plant in sun to part shade. Grows 3-5 ft. tall with an equal spread. Potted. Zones 5-9.