Arbor Day Dates Across America
National Arbor Day is always celebrated on the last Friday in April, but many states observe Arbor Day on different dates throughout the year based on best tree planting times in their area.
Alabama
Last full week of February
Alaska
Third Monday in May
Arizona
Last Friday in April
Arkansas
Third Monday in March
California
March 7-14
Colorado
Third Friday in April
Connecticut
Last Friday in April
Delaware
Last Friday in April
Florida
Third Friday in January
Georgia
Third Friday in February
Hawaii
First Friday in November
Idaho
Last Friday in April
Illinois
Last Friday in April
Indiana
Last Friday in April
Iowa
Last Friday in April
Kansas
Last Friday in April
Kentucky
First Friday in April
Louisiana
Third Friday in January
Maine
Third Full Week in May
Maryland
First Wednesday in April
Massachusetts
Last Friday in April
Michigan
Last Friday in April
Minnesota
Last Friday in April
Mississippi
Second Friday in February
Missouri
First Friday in April
Montana
Last Friday in April
Nebraska
Last Friday in April
Nevada
Last Friday in April
New Hampshire
Last Friday in April
New Jersey
Last Friday in April
New Mexico
Second Friday in March
New York
Last Friday in April
North Carolina
First Friday following March 15
North Dakota
First Friday in May
Ohio
Last Friday in April
Oklahoma
Last Full Week of March
Oregon
The month of April
Pennsylvania
Last Friday in April
Rhode Island
Last Friday in April
South Carolina
First Friday in December
South Dakota
Last Friday in April
Tennessee
First Friday in March
Texas
First Friday in November
Utah
Last Friday in April
Vermont
First Friday in May
Virginia
Last Friday in April
Washington
Second Wednesday in April
West Virginia
Second Friday in April
Wisconsin
Last Friday in April
Wyoming
Last Monday in April