More information about trees and tree care

Tree Selection

Urban Forest Ecosystems Institute “SelecTree” Guide - This interactive program helps you match specific tree species to particular sites based on compatible characteristics.

Benefit of Trees in Urban Areas - Information about the benefits of trees such as improve our air, protect our water, save energy, and more.
Pruning Shade Trees in Landscapes - Information on proper tree planting.
Trees are Good - Provides the general public with quality arboraculture or treecare related information including how to hire an arborist.
Tree City USA Program - Provides direction, technical assistance, public attention, and national recognition for urban and community forestry programs in thousands of towns and cities.

American Forests - American Forest is a world leader in planting trees for environmental restoration, a pioneer in the science and practice of urban forestry.
California Arborists Association - CAA is a non-profit organization of professional arborists combining efforts to improve tree care practices in California.
International Society of Arboriculture (ISA) - The International Society of Arboriculture is the largest and most influential tree care education and research organization in the world.
National Arbor Day Foundation - The National Arbor Day Foundation is a nonprofit foundation helping people plant and care for trees and encourage the celebration of Arbor Day.
Society of Municipal Arborists - A professional affiliate of the International Society of Arboriculture, this group promotes and improves municipal arboriculture and community forestry.
Western Chapter ISA - Organization dedicated to fostering a greater appreciation for trees by promoting research and education to advance the professional practice of arboriculture.

California Register of Big Trees - A program that maintains records for the largest specimen of each native and naturalized tree species growing in California.
CDF Urban & Community Forestry - The Urban Forestry Program offers grants each year to plant trees and other related projects in urban communities throughout California.
Center for Urban Forest Research - Since 1992, this research center has provided reliable scientific evidence that the benefits of urban forests add real value to communities.
Sudden Oak Death - A nonprofit organization that provides information on Sudden Oak Death.
TreeLink: The Community Forestry Resource - This site provides information, research, and networking for people working in urban and community forestry.
Urban Forest Ecosystems Institute - The Urban Forest Ecosystems Institute (UFEI) was developed to address the increasing need for improved management of the urban forests in California.

Markham Arboretum - Markham Nature Park and Arboretum is working toward the creation of an international garden to showcase plants from around the world that can thrive in our local micro-climate.

Tree Musketeers - The nation’s first youth environmental organization–a nonprofit charity where kids are boss! While taking action to help the planet, kids teach other kids to become active citizens and community leaders.
Treetures - The Treetures is a community of tiny tree friends that teach you about trees, tree care, and tree planting.