The Arbor Day ClipArt gallery offers 20 illustrations of trees and tree-planting activities. Arbor Day was first observed in 1872 when Nebraska settlers and homesteaders planted an estimated one million trees on the largely treeless plains. National Arbor Day is celebrated in the US on the last Friday in April. Individual states celebrate on dates that are appropriate to their planting season.

"A genus of the natural orer Rosaceae, sub-order Amygdaleae or Drupaceae, consisting of trees or shrubs, distinguished by the coarsely furrowed and wrinkled shell of the drupe, and by the young leaves being conduplicate, or having their sides folded together." — Chambers' Encyclopedia, 1875

Almond Tree

"A genus of the natural orer Rosaceae, sub-order Amygdaleae or Drupaceae, consisting of trees or shrubs,…

Children planting trees on Arbor Day.

Arbor Day

Children planting trees on Arbor Day.

An image of a bald cypress, in pyramidal cultivated form. It is otherwise known as taxodium distichum, and is native to the southeastern United States.

Bald Cypress in Cultivated Form

An image of a bald cypress, in pyramidal cultivated form. It is otherwise known as taxodium distichum,…

An image of a bald cypress in swamp form, with aerating roots, or knees. It is otherwise known as taxodium distichum, and is native to the southeastern United States.

Bald Cypress in Swamp Form

An image of a bald cypress in swamp form, with aerating roots, or knees. It is otherwise known as taxodium…

Cedrus atlantica is a variety of cedar. It is a large, pyramidal tree that grows one hundred twenty feet tall. The leaves are generally less than one inch long and are thick.

Cedrus Atlantica

Cedrus atlantica is a variety of cedar. It is a large, pyramidal tree that grows one hundred twenty…

An American Elm, with Spruce-trees, and on the left Arbor Vitae.

Field of Trees

An American Elm, with Spruce-trees, and on the left Arbor Vitae.

Figs from the Osborn's Prolific tree are round with long necks. The skin of the fruit is a dark mahogany color. The flesh of the fruit is milky white.

Osborn's Prolific Fig

Figs from the Osborn's Prolific tree are round with long necks. The skin of the fruit is a dark mahogany…

Decorative leaves.

Decorative Leaves

Decorative leaves.

A frame of maple leaves.

Maple Leaf

A frame of maple leaves.

The famous oak tree that stood upon the northern slope of the Wyllys Hill, in Hartford.

The Charter Oak

The famous oak tree that stood upon the northern slope of the Wyllys Hill, in Hartford.

A curved iron bar is used to train trees into such a shape. A pear tree arbor is used for covering a portion or the whole of a garden.

Pear Tree Arbor

A curved iron bar is used to train trees into such a shape. A pear tree arbor is used for covering a…

Sycamore three years after very close pruning.

Sycamore three years after very close pruning.

Sycamore three years after very close pruning.

Tree leaning across the page with a couple birds in the bottom right corner.

Tree

Tree leaning across the page with a couple birds in the bottom right corner.

A decorative doodad or divider of a tree.

Tree Doodad

A decorative doodad or divider of a tree.

The tree ready to lift to be moved.

Tree Moving

The tree ready to lift to be moved.

The tree ready to be moved

Tree Moving

The tree ready to be moved

Moving a large tree.

Tree Moving

Moving a large tree.

Setting trees to a line

Tree Planting

Setting trees to a line

A small deciduous tree, native to the Mediterranean region. It produced the earliest-known form of turpentine, and was used in medicine by the ancient Greeks.

Terebinth Tree

A small deciduous tree, native to the Mediterranean region. It produced the earliest-known form of turpentine,…