Arbor Day Tree Plantings 2019: The City invites families, individuals and groups to its annual Arbor Day “Plant a Tree in Coronado” event on Saturday, February 23. The City will provide tools and instructions for the planting that will go on throughout town. Public Services staff and the Street Tree Committee, which sponsors the event, will work together to plant about 30 trees this year. To volunteer, arrive at Spreckels Park by 8:30 a.m. Bring gloves and tree planting shoes. This event will be held rain or shine.