Tree Organizations

• International Society of Arboriculture
• Western Chapter ISA
• California Urban Forest Council
• Society of Municipal Arborists
• American Society of Consulting Arborists
• Center for Urban Forest Research
• Tree Care Industry Association 
• National Arbor Day Foundation
• Treelink

Benefits of Trees

• Benefits of Trees (Arbor Day Foundation)
• Tree Benefits and Value (Trees Are Good)

Planting Trees

• New Tree Planting Brochure (Division of Forestry)
• How to Plant a Containerized Tree (Arbor Day Foundation)
• How to Plant a Bare Root Tree (Arbor Day Foundation)
• New Tree Planting (Trees Are Good)
• Tree Selection Guide (Urban Forest Ecosystem Institute)

Pruning Trees

• How to Prune Trees (US Department of Agriculture)
• Tree Pruning Guide (Arbor Day Foundation)
• Don’t Top Trees! (Arbor Day Foundation)
• Pruning Young Trees (Trees Are Good)
• Pruning Mature Trees (Trees Are Good)

Tree Health

• Insects & Disease Problems (Trees Are Good)
• Tree Health Guide (Arbor Day Foundation)
• Native California Tree Pests & Diseases (Urban Forest Ecosystems Institute)
• Tree Care Information (Trees Are Good)
• Pests in Home and Garden (UC Davis)
• General Tree Information (Tree Link)

Hiring an Arborist

• Why Hire an Arborist (Trees Are Good)
• How to Find a Consulting Arborist (American Society of Consulting Arborists)

Disclaimer for External Links
The appearance of external links on the World Wide Web does not constitute endorsement by the City of San Mateo, Department of Parks and Recreation of external Web sites or the information or services contained therein. The City does not exercise any editorial control over the information you may find at these locations.