The original manga by Tsubasa Fukuchi ran from 2002 to 2005 with sixteen volumes overall and was licensed and released by Viz Media.
Discotek Media picked up the rights to the Law of Ueki anime series back at the end of May and brought it out as a single disc SDBD release on July 31st, 2018.
Originally airing in 2005 and 2006, it was directed by Hiroshi Watanabe based on the series composition by Toshifumi KAwase.