抄録
The growth of Sedum increased rapidly with both investigation places for two months of the peak from the beginning of April to the end of May and reduced the growth after a peak for about 2 weeks. In addition, growth becomes dull when it becomes an over-humidification state by the long rain in low temperature period. The invasion of the woody weed was accepted other than Compositae and Poaceae plant with all places of investigation places. In addition, it developed that the propagation of the weed had an influence on growth of Sedum greatly. Escaping of Sedum happened in the University department of agriculture roof and spread a lot around a drain and the gutter that had abundant soil and water.
