Arbor Day

Arbor Day is a nationally-celebrated observance that encourages tree planting and care.

Founded by J. Sterling Morton in Nebraska in 1872, National Arbor Day is celebrated each year on the last Friday in April, however each state also celebrates Arbor Day.

Arbor's Day in YOUR State

Alaska Arbor Day
Third Monday in May

Alabama Arbor Day
Last full week of February

Arkansas Arbor Day
Third Monday in March

Arizona Arbor Day
Third Friday in March

California Arbor Day
March 7-14

Colorado Arbor Day
Third Friday in April

Connecticut Arbor Day
Last Friday in April

Washington, D.C. Arbor Day
Last Friday in April

Delaware Arbor Day
Last Friday in April

Florida Arbor Day
Third Friday in January

Georgia Arbor Day
Third Friday in February

Hawaii Arbor Day
First Friday in November

Iowa Arbor Day
Last Friday in April

Idaho Arbor Day
Last Friday in April

Illinois Arbor Day
Last Friday in April

Indiana Arbor Day
Last Friday in April

Kansas Arbor Day
Last Friday in April

Kentucky Arbor Day
First Friday in April

Louisiana Arbor Day
Third Friday in January

Massachusetts Arbor Day
Last Friday in April

Maryland Arbor Day
First Wednesday in April

Maine Arbor Day
Third Full Week in May

Michigan Arbor Day
Last Friday in April

Minnesota Arbor Day
Last Friday in April

Missouri Arbor Day
First Friday in April

Mississippi Arbor Day
Second Friday in February

Montana Arbor Day
Last Friday in April

North Carolina Arbor Day
First Friday following March 15

North Dakota Arbor Day
First Friday in May

Nebraska Arbor Day
Last Friday in April

New Hampshire Arbor Day
Last Friday in April

New Jersey Arbor Day
Last Friday in April

New Mexico Arbor Day
Second Friday in March

Nevada Arbor Day
Last Friday in April

New York Arbor Day
Last Friday in April

Ohio Arbor Day
Last Friday in April

Oklahoma Arbor Day
Last Full Week of March

Oregon Arbor Day
First Full Week of April

Pennsylvania Arbor Day
Last Friday in April

Rhode Island Arbor Day
Last Friday in April

South Carolina Arbor Day
First Friday in December

South Dakota Arbor Day
Last Friday in April

Tennessee Arbor Day
First Friday in March

Texas Arbor Day
Last Friday in April

Utah Arbor Day
Last Friday in April

Virginia Arbor Day
Last Friday in April

Vermont Arbor Day
First Friday in May

Washington Arbor Day
Second Wednesday in April

Wisconsin Arbor Day
Last Friday in April

West Virginia Arbor Day
Second Friday in April

Wyoming Arbor Day
Last Monday in April

Wear your Arbor Day Gear!

Great Arbor Day Links

The Arbor Day Foundation: The Arbor Day Foundation official website.
Arbor Day Resources from Teacher Planet: Need an idea for an Arbor Day activity? This is a great place to find Lessons, Coloring Sheets, and much, much more to help you celebrate Arbor Day!