Growth Characteristics of Edible Plants according to Companion Planting in Building Integrated Urban Agriculture Lee, Hyeona Department of Green Technology Convergence Graduate School of Konkuk University This study was conducted to analyze the difference in soil environment, growth, physiology, and productivity according to the ratio by planting strawberries (Fragaria x ananassa), kidney beans (Phaseolus vulgaris var. humilis), tomatoes (Solanum lycopersicum var. cerasiforme), and nasturtium (Tropaeolum majus) to compare the difference in the use of companion planting on walls and rooftops in urban agriculture. They were created by planting 3 repeatedly with a single strawberry plant (SC), strawberry 2 : kidney bean 1(S2K1), strawberry 1 : kidney bean 1(S1K1), strawberry 1 : kidney bean 2(S1K2), single kidney bean plant (KC) and single tomato plant (TC), tomato 2 : nasturtium 1(T2N1), tomato 1 : nasturtium 1(T1N1), tomato 1 : nasturtium 2(T1N2), single nasturtium plant (NC). The measurement items were divided into growth, physiology, and productivity categories. The luminosity on the walls and rooftops was more than twice as high on the rooftops. The temperature was 3.5℃ higher on the roof than on the wall, and the humidity was about 10% higher on the wall. The soil environment was investigated to find out whether the nitrogen fixation effect of kidney beans is effective when planted with strawberries, and the nitrogen, phosphorus, and potassium contents were measured the highest in the S2K1. The growth of strawberries was the best in S1K2, and physiology and productivity were the highest in the S1K1. Kidney beans tended to be high in the S1K2 in growth and physiology, and the number of pods was two on average, and the largest number of pods was measured at 2.3 in the S2K1 with a high percentage of strawberries. As a result of measuring the growth and productivity of tomatoes, it showed the highest in the T2N1. The results of physiological analysis showed higher in the T1N2. Both growth and productivity showed higher on rooftops. In terms of physiology, relative chlorophyll content was higher on rooftops, and fresh weight and dry weight were measured heavier on the walls. The growth of nasturtium showed higher in the T2N1 for the plant height, leaf length. However, in terms of leaf width, number of leaves, chlorophyll contents, and number of flowers is NC showed the most results, and the flower width was the largest in the T1N1. Therefore, it is considered most desirable to plant strawberries and kidney beans at a mixing ratio of 1:1 on the wall and tomatoes and nasturtium at a ratio of 2:1 or 1:1 on the roof in terms of growth, physiology, and productivity. However, due to the environmental characteristics of the walls and rooftops, effective management measures for crops should be presented, and qualitative analysis as well as quantitative analysis of the quality of fruits will be needed later. Keyword : Urban agriculture, Wall greening, Rooftop greening, Eco-friendly farming agriculture, Public vegetation