Category: Holiday Día del Árbol (MX) 2020 June 12, 2016 By Trees Group Día del Árbol (MX) 2020 All Day July 9, 2020 Mexico celebrates Día del Árbol, also known as National Tree Day, on the 2nd Thursday of July. It was established in Mexico in 1959. MexicoMap iCal Google Calendar View full calendar