Complex sentence: Due to flooding of many areas of the Toronto Islands, the opening of Centreville's 2017 season was delayed until July 31, except for the Far Enough Farm, which will remain closed until 2018 due to flood damage.
Split into simpler sentences: Due to flooding of many areas of the Toronto Islands, Centreville did not open in May 2017. Centreville reopened on July 31, except for the Far Enough Farm, which will remain closed until 2018 due to flood damage.