This search was conducted in Albassa town at Lattakia governorate , during 2011 and 2012 growing seasons for study effects of 3 sowing dates ( 15th of April , 25th of April and 5th of May ) and 4 levels of nitrogen fertilization ( N1: control , N2: 50 kg/ha , N3: 100 kg/ha , N4: 150 kg/ha ) on several attributes of groundnut (Coastal category) production . The results showed that the 5th of May sowing date had significant excel in the average of the two growing seasons in dry weight of pods in plant , wheight 100- Seeds, The per-hectare yield of seeds and Harvest index , It ranked first in the two seasons search. Also, The application of nitrogen fertilizer at a rate of 150 kg/ha had resulted in a significant increase in studied productivity traits in the average of the two growing seasons , Except for harvest index , which was at least as compared to other levels of fertilization. The interaction between the sowing date ( 5th of May ) and the level of nitrogen fertilization (150 kg/ha) showed a significant excel in the average of the two growing seasons in dry weight of pods in plant , wheight 100- Seeds and The per-hectare yield of seeds .