Trees are some of the oldest living organisms on earth: some bristle-cone pines are thought to be more than 5000 years old.

Every state has an official State Tree. Virginia adopted the flowering dogwood Cornaceae Cornus floridaas the State Tree on February 24, 1956.  The dogwood is well distributed throughout the...

Most trees do not have a tap root.

Trees are the largest living organisms on earth: some coastal redwoods are more than 360 feet tall.

Well-maintained trees and shrubs can increase property value by up to 14%.

Most tree roots are in the top 12 inches of soil.

A birdhouse hung on a young tree branch, does not move up the tree as the tree grows.

One large tree can provide a supply of oxygen for two people.

Trees properly placed around buildings can reduce air conditioning needs by 30 percent and save 20-50 percent in heating energy.

In one day, one large tree can lift up to 100 gallons of water out of the ground and discharge it into the air.

A mature tree removes almost 70 times more pollution than a newly planted tree.