Two field experiments were carried out at the experimental station of the Faculty of Agriculture, Suez CanalUniversity, Ismailia, Egypt during the winter seasons of 2009-2010 and 2010-2011.The study aimed to investigate the effect ofmaturity stage on the nutritional quality and determination of the best maturity stage of sugar snap peassuitable for harvesting. Results showed that fresh weight of pods was increasedand then decreased.Length and width increased until 48, 32 days after flowering (DAF), respectively, and then decreased. Dry matter and crude fiber increased while chlorophyll and vitamin C decreased during pod development. Sugar content and SSC increased and then decreased while phenolic content decreased, and then increased with maturation of pod.The obtained results showed that the best maturity stage is at 28 DAF.