ABSTRACT The experiment about the effect of kind medius and seed storage duration for the growth seedlings of caca, had been carried out since October 14, 1990 until January 7,11991 at Potrobangsan, Magelang, Central Jawa. The soil type is regosol with pH 6,5 on the altitude 375 m above sea level. Experiment used factorial methode with arranged by Completly sandomized Design (c) using two tre…