The purpose of this research was to determine the effect of giving natural PGRs on the growth of Siamese orange plant cuttings and to obtain natural PGRs with the best growth in Siamese orange plant cuttings. The research was conducted at the Siam Kuok orange plantation at km 20, Pekanbaru – West Sumatra provincial highway, Salo District, Kampar Regency. The research was carried out for three…