[Objective] To investigate the effects of crude extractive on the growth of test - tube plantlets of Pogostemon cablin (Blanco) Benth. . [Methods] Test- tube plantlets Pogostemon cablin (Blanco) Benth. were cultured with various basic medium (modified MS, 1/2 MS, 65 and Ng) to which potato, carrot, ehufa and banana extractive were added respectively, Forty - five days after the transplanting of culture, the effects were observed. [ Results ] The plantlets grew well in the modified MS with 150 g/L banana ext...