“My dearest Ulmus,” the message began.

“As I was leaving St. Mary’s College today I was struck, not by a branch, but by your radiant beauty. You must get these messages all the time. You’re such an attractive tree.”

This is an excerpt of a letter someone wrote to a green-leaf elm, one of thousands of messages in an ongoing correspondence between the people of Melbourne, Australia, and the city’s trees.

Officials assigned the trees ID numbers and email addresses in 2013 as part of a program designed to make it easier for citizens to report problems like dangerous branches. The “unintended but positive consequence,” as the chair of Melbourne’s Environment Portfolio, Councillor Arron Wood, put it to me in an email, was that people did more than just report issues. They also wrote directly to the trees, which have received thousands of messages—everything from banal greetings and questions about current events to love letters and existential dilemmas. [Read more…]