A primary goal of the Allies is to provide education and resources about trees to the local community.
Benefits of Trees and Tree Advocacy
Tree Planting and Mulching
- Proper Tree Planting
- How to Plant a Tree (video by Keep Indianapolis Beautiful)
- How to Plant a Tree - Coniferous (infographic)
- How to Plant a Tree - Deciduous (infographic)
- How to Mulch a Tree (infographic)
- Proper Mulching
- Top 10 Mistakes When Planting and Caring for Trees by Purdue Extension
Tree Health
- Purdue Tree Doctor app (iPhone)
- Why Is My Tree Dying? by Purdue University Extension
- Fertilizing by Purdue University Extension
- Mechanical Damage to Trees by Purdue University Extension
- Drought? Don't Forget the Trees! by Purdue University Extension
Shallow Roots
Site conditions often influence tree root systems, but did you know that different species of trees grow their roots differently? Most roots of all trees reside in the first two feet of soil, but some trees grow their roots especially shallow. These include maples, sycamores and willows.
- How to Address Shallow Surface Roots by Purdue University Extension
Carpenter Ants
Carpenter ants are very common inside trees and are not directly harmful to a tree. They indicate the presence of rotting wood, but cutting down otherwise viable trees that happen to have carpenter ants is generally not necessary. Read the following article by Purdue University Extension to learn more.
- Are Carpenter Ants Harmful to My Tree? by Purdue University Extension
Tree Trimming or Pruning
The Truth About Tree Topping and Shearing
Don't do it.
- Tree Topping Bulletin by Washington Department of Natural Resources
- Trees Need a Proper Start - Prune Them Right by Purdue University Extension
- What's Wrong with Topping Trees? by Purdue University Extension
Tree Pruning Essentials
Pruning is the process of wounding a tree to accomplish a specific objective, such as to develop strong branch structure, but wounds can lead to disease and decay if the pruning is not done properly.
- Tree Pruning Essentials by Purdue Extension (video)
- Part 1
- Part 2
Tree Services
- Why Hire an Arborist? by Purdue University Extension
- Find an Arborist Tool
- Verify an Arborist Credential