Bioretention facilities reduce stormwater runoff and pollutants, but there is a concern that plants in bioretention may absorb heavy metal pollutants from runoff, which might impair the growth of plant species. To investigate this issue, containing various amounts Pb Cd metals was used as irrigation water facility. The low concentrations were 0.08 0.04 mg/L, high values 0.68 0.32 mg/L. content ...