By the 1920s, each state in the United States had passed public laws that stipulated a certain day to be Arbor Day or Arbor and Bird Day observance. National Arbor Day is celebrated every year on the last Friday in April; it is a civic holiday in Nebraska.
When Is Arbor Day? Arbor Day is celebrated on the last Friday in April, although some states observe it on dates that better coincide with the local area’s planting times. For instance, Hawaii celebrates Arbor Day on the first Friday of November, and Alaskans celebrate it on the third Monday in May. Find out when your state observes Arbor Day.
Arbor Day—which literally translates to “tree” day from the Latin origin of the word “arbor”—is a holiday that celebrates the planting, upkeep and preservation of trees. For centuries,...
Discover Arbor Day 2026—its meaning, history, importance, and impactful tree planting ideas. Learn how to celebrate Arbor Day by planting trees with Grow-Trees.
Arbor Day is a national holiday that recognizes the importance of trees. The most common way people celebrate Arbor Day is to get together in groups to plant trees. The next National Arbor Day is Friday, . However many states observe Arbor Day on different days, based on the best tree planting times in their area.
Arbor Day is a day to observe, appreciate and plant trees, and it’s seen as a day of optimism for the planet. The Arbor Day Foundation explains, “While most holidays celebrate something...
When Is Arbor Day 2026? Why Do We Celebrate It? - Parade
The first Arbor Day occurred on April 10th, 1872, in Nebraska City, Nebraska, where civilians celebrated by planting an estimated one million trees. Since then, Arbor Day has grown in popularity and is now celebrated worldwide on the last Friday in April.