Ann Arbor starts planting 10,000 trees with free Arbor Day giveaways Residents encouraged to plants free trees on private property, increase urban canopy Tags: In this photo taken early January 2020, and provided Thursday, Jan. 16, 2020, by the NSW National Parks and Wildlife Service, a Wollemi pine tree sapling grows on the forest floor in the Wollemi National Park, New South Wales, Australia. Specialist firefighters have saved the world's last remaining wild stand of a prehistoric tree from wildfires that razed forests west of Sydney. (NSW National Parks and Wildfire Service via AP) ANN ARBOR, Mich. – Nicknamed Tree Town, Ann Arbor is known for its green spaces and, of course, its trees.