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Alabama -

Tree: Southern longleaf pine

Latin name: Pinus palustris P. Mill.

Alabama adopted the southern longleaf pine as its official tree in 1949. But it wasn't until 1997 that the exact species (Pinus palustris P. Mill.) was specified.

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Alaska -

Tree: Sitka spruce

Latin name: Picea sitchensis

This tall conifer was named Alaska's official state tree in 1962.

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Arizona -

Tree: Palo verde

Latin name: Genera cercidium

Arizona's state tree since 1954, the Palo Verde (Spanish for "green stick") is native to Arizona's Sonoran Desert.

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Arkansas -

Tree: Pine

Latin name: Genera cercidium

Arkansas adopted the pine tree as the official state tree in 1939. There are four native species of pine in the state.

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California -

Tree: California Redwood

Latin name: Sequoia sempervirens and Sequoiadendron giganteum

Redwood has been the state's official tree since 1937. Both the coast redwood and the giant sequoia can be found in California. 

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Colorado -

Tree: Colorado blue spruce

Latin name: Picea pungens

On Arbor Day 1892, Colorado school children voted the blue spruce as the state tree. In 1939, blue spruce was officially declared the state's tree. 

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Connecticut -

Tree: The Charter Oak (White Oak)

Latin name: Quercus albus

The Charter Oak was an ancient white oak tree that fell during a storm in 1856. It has been a symbol of the state ever since.

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Delaware -

Tree: American holly

Latin name: Ilex opaca Aiton

The American holly, also known as Christmas holly, was named Delaware's official tree in 1939. The tree can reach 18 m (60 ft) in height. 

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Florida -

Tree: Sabal palm

Latin name: Sabal palmetto

Florida adopted the sabal palm tree as the official state tree in 1953. These robust trees are often found near the coast.

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Georgia -

Tree: Live oak

Latin name: Quercus virginiana

This iconic southern tree has been Georgia's official state tree since 1937.

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Hawaii -

Tree: Kukui

Latin name: Aleurites moluccana

The kukui, also known as candlenut tree, was brought to Hawaii from Polynesia. It has been the state's official tree since 1959. 

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Idaho -

Tree: Western white pine

Latin name: Pinus Monticola pinaceae

This tree, also known as the soft Idaho white pine, or simply Idaho white pine, was adopted as the official state tree in 1935. 

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Illinois -

Tree: White oak

Latin name: Quercus alba

The white oak has been the state's official tree since 1973. It was chosen based on the results of a poll of 900,000 schoolchildren.

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Indiana -

Tree: Tulip poplar

Latin name: Liriodendron tulipifera

The tulip poplar was named the official state tree of Indiana in 1931.  

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Iowa -

Tree: Oak

Latin name: Quercus

The oak was adopted as Iowa's official state tree in 1961. Oak is also the national tree of the United States.

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Kansas -

Tree: Cottonwood

Latin name: Populus deltoides

Cottonwood has been the official state tree of Kansas since 1937. The poplar species are one of the largest North American hardwood trees. 

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Kentucky -

Tree: Tulip poplar

Latin name: Lirodendroan tulipifera

Named the state's official tree in 1994, the tulip poplar is the tallest eastern hardwood tree. 

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Louisiana -

Tree: Bald cypress

Latin name: Taxodium distichum

Louisiana's iconic swamp tree was officially adopted as a symbol of the state in 1963. 

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Maine -

Tree: Eastern white pine  

Latin name: Pinus strobus

"The Pine Tree State" designated the Eastern white pine as the official state tree in 1945. And the state's official "flower" is the white pine cone and tassel.

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Maryland -

Tree: White oak

Latin name: Quercus alba

Maryland named white oak the official state tree in 1941. These can be found all across the state, as well as other regions of eastern North America.

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Massachusetts -

Tree: American elm

Latin name: Ulmus americana

The American elm has been the official state tree of Massachusetts since 1941. It celebrates the story of George Washington assuming command of the Continental Army under an American elm tree in 1775.

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Michigan -

Tree: Eastern white pine  

Latin name: Pinus strobus

Michigan named the Eastern white pine as the official state tree in 1955. The tree is regarded as a symbol of the state's logging history. 

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Minnesota -

Tree: Red pine  

Latin name: Pinus resinosa

The state adopted the red pine as the official tree in 1953 because of "the sturdiness and majesty of the tree, and how it helped lay the foundation for the wealth of Minnesota." 

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Mississippi -

Tree: Magnolia

Latin name: Magnolia grandiflora

"The Magnolia State" named magnolia its official state tree in 1952. Mississippi also named it as the state flower in 1900.

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Missouri -

Tree: Flowering dogwood

Latin name: Cornus Florida L.

Missouri designated this beautiful flowering tree as their official state tree in 1955.

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Montana -

Tree: Ponderosa pine

Latin name: Pinus ponderosa

Montana officially named the Ponderosa pine as the state tree in 1949 but was originally selected by Montana schoolchildren way before, in 1908.

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Nebraska -

Tree: Cottonwood

Latin name: Populus deltoides

Cottonwood replaced the American elm (Ulmus Americana L.) as the official state tree of Nebraska in 1972.   

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Nevada -

Tree: Bristlecone pine

Latin name: Pinus longaeva

Bristlecone pine replaced the single-leaf pinyon (Pinus monophylla) as the official state tree of Nevada in 1987.   

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New Hampshire -

Tree: White birch

Latin name: Betula papyrifera

The state adopted the white birch as its official tree in 1947. Native Americans used its bark to make canoes and writing paper.

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New Jersey -

Tree: Northern red oak

Latin name: Quercus borealis maxima

This beautiful tree was named New Jersey's official tree in 1950. The state also has an official memorial tree, which is the dogwood (Cornus Florida).

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New Mexico -

Tree: Pinyon pine

Latin name: Pinus edulis

The tree, also known as piñon pine, nut pine, and two-needle piñon, among other descriptions, has been the official state tree since 1948.  

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New York -

Tree: Sugar maple

Latin name: Acer saccharum

The state of New York adopted the sugar maple as its official state tree in 1956. Sap from these trees is famously used to make maple syrup.

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North Carolina -

Tree: Pine tree

Latin name: Pinus

The pine tree (no specific type) was named the state's official tree in 1963. There are eight types of pine tree native to North Carolina.

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North Dakota -

Tree: American elm

Latin name: Ulmus Americana

The American elm has been the official state tree since 1947. Sadly, a large percentage of these trees were killed off by Dutch elm disease (DED).

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Ohio -

Tree: Ohio buckeye

Latin name: Aesculus glabra

The Ohio buckeye was named the official state tree in 1953. Ohio is also known as "The Buckeye State."

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Oklahoma -

Tree: Redbud

Latin name: Cercis canadensis

The state designated the redbud as the official state tree in 1937. Redbud tree flowers are not only beautiful, but are also edible.

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Oregon -

Tree: Douglas fir

Latin name: Pseudotsuga menziesii

Oregon named the Douglas fir its official state tree in 1939. In 2005, the metasequoia (dawn redwood) was designated the state fossil.

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Pennsylvania -

Tree: Eastern hemlock

Latin name: Tsunga canadensis

The Eastern hemlock, also known as Canada hemlock or hemlock spruce, has been the official state tree of Pennsylvania since 1931. It was used by early settlers to build log cabins and for tanning leather (it's a source of tannic acid). 

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Rhode Island -

Tree: Red maple

Latin name: Acer rubrum

This iconic Rhode Island tree was voted in as the state tree by Rhode Island school children in the 1890s. However, it was only officially named the state's tree in 1964. 

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South Carolina -

Tree: Sabal palmetto

Latin name: Inodes Palmetto

This species of palm tree has been South Carolina's official state tree since 1939. The tree symbolizes the defeat of the British fleet at Fort Moultrie on Sullivan's Island. 

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South Dakota -

Tree: Black Hills Spruce

Latin name: Picea glauca

Black Hills white spruce was named South Dakota's official state tree in 1947. The tree can be found all across northeastern United States (including Alaska), as well as Canada.

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Tennessee -

Tree: Tulip poplar

Latin name: Liriodendron Tulipifera

The tulip poplar was named the official state tree of Tennessee in 1947. Tennessee also recognizes other trees as symbols of the state, namely the eastern red cedar and the yellowwood.

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Texas -

Tree: Pecan tree

Latin name: Carya illinoensis

The pecan tree was adopted as the official state tree of Texas in 1919. 

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Utah -

Tree: Quaking aspen

Latin name: Populus tremuloides

The quaking aspen replaced the blue spruce (Picea pungens Engelm) as Utah's official state tree in 2014.

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Vermont -

Tree: Sugar maple

Latin name: Acer saccharum

The sugar maple, also known as hard maple or rock maple, was named the state tree of Vermont in 1949. 

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Virginia -

Tree: Flowering dogwood

Latin name: Cornus florida

Virginia designated flowering dogwood as the official state tree in 1956, but named it the state's official state flower back in 1918.

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Washington -

Tree: Western hemlock

Latin name: Tsuga heterophylla

The western hemlock has been Washington's official state tree since 1947.

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West Virginia -

Tree: Sugar maple

Latin name: Acer saccharum

The sugar maple was named the state tree of West Virginia in 1949, following a vote by public school students and civic organizations. 

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Wisconsin -

Tree: Sugar maple

Latin name: Acer saccharum

Yet another state where sugar maple was designated the official state tree. Schoolchildren voted twice for the tree; first in 1893, and then again in 1948. The sugar maple was officially adopted as Wisconsin's state tree in 1949.

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Wyoming -

Tree: Plains cottonwood

Latin name: Populus deltoides variety monilifera

This subspecies of the eastern cottonwood was declared the state's official tree in 1947, but in 1961 an amendment was made to change the scientific name Populus deltoides variety monilifera.

Sources: (State Symbols USA) (50States) 

See also: These are the state birds of the USA

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