Bonzi Ornamental Growth Regulator The leading ornamental plant growth regulator (PGR) Bonzi keeps plants uniformly compact, hardy, and looking their best It results in one consistent crop after another, with well-proportioned plants achieving identically ideal form and color. Bonzi helps you produce plants that are more attractive and marketable, bringing out the full beauty of ornamentals by keeping them compact. Tolerance to drought and transport stress and less breakage during handling