ALERT! Thousand Cankers Disease of Black Walnut Trees
(TCD east of the Mississippi, diagnosing affected trees)
ALERT! Emerald Ash Borer Quarantine Affects Leesburg
(EAB damage 
, EAB in Virginia / Northern Virginia ,
EAB invasion map , EAB signs, Don't Move Firewood! ,
FREE EAB Online Course)
The USDA Tree Owner's Manual assists residents with buying, maintaining and protecting their trees, as well as the following International Society of Arboriculture tree care information (available online or in print):
| Arbor Care |
Mature Tree Care, Proper Mulching Techniques, Why Hire an Arborist, Trees and Turf, Plant Health Care |
| Benefits |
Benefits of Trees, Tree Values |
| Buying and Planting |
Tree Selection, Buying High Quality Trees, New Tree Planting |
| Prevention and Protection |
Insect and Disease Problems, Recognizing Tree Hazards, Avoiding Tree and Utility Conflicts |
| Pruning |
Pruning Young Trees, Pruning Mature Trees, Why Topping Hurts Trees |
| Tree Damage |
Avoiding Tree Damage and Treatment of Trees Damaged by Construction |
Storm Recovery for Trees (In the Storm's Wake..., Can These Trees Be Saved?, Watch Out for Scam Artists Posing as Arborists, Tree First Aid After a Storm, Reducing Tree Damage in Future Storms, The Value of Trees in a Community, The Importance of Urban & Community Forestry)
Tree Care and Maintenance Tips
Related Information
International Society of Arboriculture - Use this site to find a certified arborist and more.
Tree Care Industry Association - Use this site for more information on trees.
American Forest - Do you want to buy a famous or historic tree?
National Arbor Day Foundation - Great stuff for Kids.
Videos - Video clips illustrating proper tree planting techniques.
Morton Arboretum - Great information for adults.
The Virginia Urban Forest Council - Great information about urban forestry.
Tree Identification Site - Are you wondering what kind of tree is in your yard?