A study conducted at the University of Raparin in Sulaimani province aimed to assess the effects of the plant growth regulator cycocel on various parameters of lawn growth. Spanning two seasons, from April 2021 to October 2022, the study took place in the field of the College of Agricultural Engineering Sciences. The seed utilized in the experiment was a blend comprising 40% Festuca arundinacea, 10% Poa pratensis, 40% Festuca arundinacea, and 10% Lolium perenne. The research involved three concentration levels of cycocel (0, 100, and 200 ppm) applied as foliar sprays during the plants' rapid growth phase