US movement to support urban and community forestry: planting and caring for trees in cities and towns. Includes news, forums, regional resource listings, and educational materials.
The Arnold Arboretum is a research and educational institution. It manages a collection of hardy trees, shrubs, and vines located in Boston, Massachusetts and associated herbarium and library collections.
Portal collecting a variety of short articles about gardening with trees.
Uses, cultivation and description for this tree, commonly known as cherry birch, sweet birch, or black birch.
A nonprofit with a mission to restore, enhance and protect the tree canopy of the nation's capital.
Explore over 400 species of trees and shrubs, arranged by their botanical family, via diagnostic photographs and descriptive articles.
Tree, shrub and turf information, IPM practices, insect and disease articles, tree care information, annual garden calendar.
Home gardener compares the varieties he grows, with photos of various stages of growth.
Keslick and Son Aboriculturist's alphabetical listing of tree terminology. An online dictionary of tree terms including summarized definitions, articles, and photographs.
Natural history of English Oaks (Quercus robur), their life, conservation and woodland restoration. How to obtain acorns from old oak trees by mail order.
Articles on flowering trees used in landscaping, including weeping trees, saucer magnolias, dogwoods and crape myrtles. Each illustrated article spans several pages.
Learn how to care for a birch tree, including selecting the correct site and type of birch, watering, fertilizing, mulching, and monitoring for problems.
Heavy accumulations of snow and ice can cause major structural damage to trees and shrubs. The damaged limbs should be properly removed. The following links will provide a guide for homeowners seeking to repair damaged plant material.U.of Illinois
Monthly guide to caring for trees from the Massachusetts Arborists Association, including a featured tree for each month.
Collection of factsheets on a variety of tree species, including scientific names, growing zones and maintenance.
Specializing in the analysis, prevention and treatment of oak wilt using Alamo fungicide and root trenching. Offers free consultation, cedar clearing, dead tree removal, and replanting services.
A list of official state and provincial trees of all 50 U.S. states and 13 Canadian provinces and territories including both common and scientific names and images of official flags.
Offers photographs and descriptions for a variety of trees that can be found on the campus of Reed College in Portland, Oregon. Visitors can identify trees by location or find the location of examples of a certain kind of tree.
Weblog related to native trees of North America, especially Kentucky.
Contains descriptions of rare trees native to the Eastern United States, and provides information about growing them on private property.
Information on many aspects of tree care. Includes an advice forum and help finding a tree surgeon in the UK.
Source of information regarding tree and shrub care including how-to articles, species profiles, insect and disease information and other features.
An identification guide to conifers of the Pacific Northwest provided by Oregon State University.
A dichotomous key to identify trees native to the West coast of the United States. Includes photos and information on these trees.
Provides a few simple methods to quickly identify any unknown tree.
Arbor Day Society's online tree identification site for Eastern/Central and Western USA trees.
Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us