Annie's Arbor Day
Provides information about the holiday's history and includes Bible verses about trees.
The history of the observance with information about international "tree" celebrations. Find out when each U.S. state celebrates Arbor Day.
Arbor Day - Day of Trees
Tells about Arbor Day in Australia.
Arbor Day Information
Features trivia quiz, scavenger hunt suggestions, historical information, and tips for tree planters.
Celebrating Arbor Day at The Holiday Zone
Offers brief history, art and craft activities, songs, action rhymes, word puzzles, coloring pages, printable worksheets, word wall, and poems.
J. Sterling Morton Creates Arbor Day
Online exhibit from Nebraska State Historical Society includes an excerpt from Morton's diary written two days before the first observance.
Teachers' Guide to Arbor Month
Printable PDF guides for kindergarten through middle school teachers from the Minnesota Department of Natural Resources.
Today in History: April 10
The Library of Congress presents a brief history of the first Arbor Day.