The results showed that height, size of stem, number of leaves, and leaf area at longan seedling are different statistics. Can be concluded that the treatments with the soil reaction level 7 and fertilizer nitrogen in ammonium form with the growth of Longan Seedlings average throughout the experiment best. In the treatments with the soil reaction at the level of 4 and put in the form of nitrate nitrogen with the growth of Longan Seedlings minimal throughout the experiment.