The research was carried out at the Riau Islamic University Experimental Garden, Jalan Kaharudin Nasution KM 11 No. 113, Air cold Village, Bukit Raya District, Pekanbaru, for 3 months from August to October 2021. This study aims to determine the effect of the interaction and the main effect of NPK 15:15:15 fertilizer and Superior Plant Hormones on growth and production cauliflower plants (Brass…