Abstract: Organic fertilizer is a good source of nutrients for the soil. It improves the soil’s physical, chemical and biological characteristics. This study was conducted to evaluate the growth and yield performance of pechay applied with different levels of compost as organic fertilizer and determines the effect of organic fertilizer in terms of plant height, number of leaves per plant, fresh weight per plant and leaf area. The pot experiment was laid out in randomized complete block design (RCBD) with five treatments and replicated three times. Significant differences between treatments means were determined using the Duncan Multiple Range Test (DMRT). The analysis of variance (ANOVA) showed, that there were no significant differences in the plant height and number of leaves. However, leaf area of pechay was significantly affected by application of T3 = 50% pure garden soil: 50% pure compost (OF) in combination and in terms of yield, the fresh weight of pechay was significantly increased with the application of T4 = 75% pure garden soil: 25% pure compost (OF). Application of 50% pure garden soil: 50% pure compost (OF) and 75% pure garden soil: 25% pure compost (OF) significantly affected the leaf area and fresh weight of pechay. This implies that compost application greatly increased or influenced the growth and development of the pechay plant.