By Annie Amsden :: Aesculus hippocastanum — Common horsechestnut 8710 N Willamette Blvd The Horse Chestnut tree on the corner of North Alta and Willamette Boulevard stands 65 feet tall and casts shadows onto the sidewalk below it. The tree, approximately 150 years old, witnessed the expansion of North Portland. Prior to European settlement in theContinue Reading Heritage Tree #322 | St. Johns’ Horse Chestnut