Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. Celebrate Arbor Day This site features Arbor Day history and news, planting tips, and information about Idaho forests and trees. Includes activities for Idaho's Arbor Day, the last Friday in April. From the Idaho Forest Products Commission. http://www.idahoforests.org/arborday.htm Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *