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Name: Greg
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Question:
What is the easy way to tell a black walnut tree from an English walnut tree? Which is nature to the northwest US?


Replies:
There are about 21 species of walnuts.

English walnut (native to Old World but cultivated and naturalized in North America)

http://en.wikipedia.org/wiki/Juglans_regia

http://plants.usda.gov/java/profile?symbol=JURE80

black walnut (native to eastern North America)

http://en.wikipedia.org/wiki/Juglans_nigra

http://forestry.about.com/od/hardwoods/ss/walnut.htm

Anthony Brach Ph.D.



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