About trees

Tree Identification

Get to know the trees around you with identification resources.

Whether you’re planting your own or simply exploring, being able to better understand the trees you see provides a deeper connection with the natural worlds around us.

What tree is that?

Our illustrated, step-by-step process makes it easy to identify a tree by its leaves. Begin identifying by choosing your tree's region below.

Dig deeper

Tree guide

Classification

Hardiness

hands holding a copy of the "What Tree is that?" book.

Pocket field guides

Learn to identify the trees in your world with this colorful, easy-to-use guide that’s great for everyone from students to professional arborists. In it, you’ll find: 

  • Step by step identification guides for common trees of North America 

  • Full color bo