Sudden oak death is a potentially injurious pest in Canada. Oak and other related species are valuable hardwoods in the Deciduous Forest, Great Lakes-St. Lawrence and Acadian Forest Regions of Canada. Oak species are also valuable as shade trees in urban areas. Their wood is in much demand for furniture and flooring for both domestic and overseas markets.
Oaks also provide valuable habitat and food source for wildlife.
Madrone is an important ecological species along the west coast of North America and plays an important role for birds. In many areas, this tree is under severe threat of loss through the attack of other insect and disease pests. Protection of this west coast species is an important regulatory consideration. Rhododendrons and azaleas are popular ornamental plants in Canada. There is a significant movement of rhododendron stock from the U.S. into Canada.