Arbor Day Sale! We will be having our annual Arbor Day sale and celebration Friday, April 30, 8 am until 6 pm, and Saturday, May 1, 2010, 8 am until noon. We are located about 1 mile east of Moscow along the Troy Highway (Idaho 8). Eastbound traffic, look for the green sign. Where Idaho 8 intersects Lenville Road, turn north into the UI Plant Science Farm. Map and directions .

Plant Trees! National Arbor Day Last Friday in April -- April 30, 2010 Arbor Day in Idaho, Montana, and Utah Last Friday in April -- April 30, 2010 Washington's Arbor Day Second Wednesday in April -- April 14, 2010 Oregon's Arbor Day First full week of April -- April 4-10, 2010