Distribution in Ontario
Distribution of Naturally-Occurring
American Chestnut in Southern Ontario

• American chestnut still survives throughout its original natural range in southern Ontario, although at dramatically reduced populations. The following map shows the distribution of known sites of American chestnut in southern Ontario. Many of these locations consist of only single individuals, and many of these individuals survive as generating sprouts from the base of former mature trees.

Known distribution of naturally-occurring American chestnut in southern Ontario in 1998. Each red dot represents the presence of at least one surviving tree or clump of American chestnut.

• Known distribution of naturally-occurring American chestnut in southern Ontario in 1998. Each red dot represents the presence of at least one surviving tree or clump of American chestnut.

Upcoming Events

2023-10-21 : Annual General Meeting

Get all the details...

Outreach & Education...

Various reports on the status of restoration efforts, tree population surveys, DNA analysis, breeding and propagation programs, etc.

The American Chestnut

• An Endangered Species
• Current Status in Canada
• Distribution in Ontario
• Chestnut Blight
• Identifying Chestnut Trees
• Found a chestnut/ Report a chestnut
• Have an American chestnut - Check its Pedigree
• Population dynamics and the influence of blight on American chestnut at its northern range limit: Lessons for conservation

Mission & History

• A Decade of Progress
• Recovery Plan
• Hypovirulence
• American Chestnut in Nova Scotia
• Resistance – Hope for the Future
• Breeding for Resistance
• Directors Past and Present
• Our Founder - Dr. Colin McKeen

Updates from the..

Questions & Resources