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
Arbor Day Around the World
Australia
The folks down under love to celebrate trees. The country’s Arbor Day is in June, and National Tree Day falls on the last weekend in July. The different regions of Australia also celebrate Arbor Week, which occurs at varying times throughout the year.
Brazil
In Brazil, Arbor Day (Dia da Arvore) is celebrated on September 21. It used to be held on June 7 but was moved to coincide with the beginning of spring in the Southern Hemisphere. In Araras, Sao Paulo, it has been celebrated every year since the first Festa das ’Arvores on June 7, 1902.
Barbados
Barbados celebrates Arbor Day on September 22.
Bulgaria
Bulgaria’s National Forest Day is celebrated during the first week of April.
Canada
In Canada, Maple Leaf Day falls on the last Wednesday in September during National Forest Week. Ontario celebrates Arbor Week from the last Friday in April to the first Sunday in May. And Nova Scotia celebrates Arbor Day on the Thursday of National Forest Week.
China
In China, Arbor Day is a public holiday on celebrated on March 12. The date was chosen to commemorate the passing of Dr. Sun Yat-sen, known as the father of modern China, in 1925.
Commonwealth of the Northern Marianna Islands
The Commonwealth of the Northern Marianna Islands (CNMI) celebrates Arbor Day on October 1 every year. The Governor of the CNMI traditionally conducts a Proclamation of Arbor Day on the last week of September. Celebrations generally extend into an Arbor Month throughout the month of October.
Germany
Germans celebrate Arbor Day (Tag des Baumes) on April 25.
Guam
In Guam, Arbor Day is celebrated on the second Tuesday in October.
Holland
Holland celebrated the 50th Dutch National Tree Festival on March 22, 2006.
Iceland
Iceland holds Students’ Afforestation Day.
India
India celebrates the National Festival of Tree Planting.
Israel
In Israel, Tu Bishvat or Tu B'Shevat (New Year of the Trees) is celebrated on the 15th day of the Hebrew month of Shevat.
Japan
The Japanese celebrate Midori Noni (Greenery Day or Greenery Week) in late April.
Jordan
Jordan’s Arbor Day is January 15.
Korea
Korea celebrates Tree-Loving Week in early April.
Malta
Malta celebrates Arbor Day on January 15 every year.
Mexico
Mexico celebrates Dia del Arbol (Day of the Tree) or National Tree Day in July.
Namibia
Namibia’s national Arbor Day celebration usually takes place the second Friday in October. A national tree chosen as the Tree of the Year is planted, and tree planting is promoted country wide.
New Zealand
New Zealand celebrates Arbor Day on June 5, which is also World Environment Day.
Philippines
Philippines celebrates the Philippine Arbor Day on June 25.
Puerto Rico
Puerto Rico celebrates Arbor Day on the last Friday in September.
The Island Territory of St. Maarten
The St. Maarten National Day of Trees is held on March 22 each year.
Scotland
Scotland celebrates Scottish Branch Arbor Day.
South Africa
South Africa celebrates Arbour Week on September 1–7.
Spain
Spain has Fiesta del Arbol (Tree Festival) on March 26. It is the anniversary of the day King Alfonso planted a pine tree near Madrid in 1895.
Togo
Togo celebrates Togolese Arbor Day.
Tunisia
Tunisia's Tree Festival Day is November 9.
United Kingdom
The United Kingdom celebrates National Tree Week at the start of tree planting season in November. They also celebrate National Tree Dressing Day on the first weekend in December.
United States of America
In The United States, National Arbor Day is celebrated on the last Friday in April. Each state celebrates its own Arbor Day according to the best planting time.
The Virgin Islands
The U. S. Virgin Islands celebrates Arbor Day the last Friday in September.
Western Samoa
In Western Samoa, Arbor Day is the first Friday in November.
Yemen
Each year, Save Yemen’s Flora & Fauna (SYFF) celebrates Yemen Arbor Day according to the best tree planting time.