Trees Forever
Iowa Living Roadway Program, Community Tree Planting Programs and programs with Alliant and Aquila.

The Iowa Department of Natural Resources
Information on Iowa’s forestry, residential tree programs; emerald ash borer; et al.

The National Arbor Day Foundation
Has a useful Tree Guide that allows you to select a tree to your liking for a particular location.

Iowa State Extension
Planting and Care Guide. Everything you need to know about planting a tree in Iowa.

International Society of Arboriculture
Tree Care Information. Several tree purchase, planting and care brochures for downloading.