Identification

• Michigan State University reports that the black spruce tree; also called the bog/swamp spruce, Eastern spruce or shortleaf spruce; often grows to a height of 60 feet. When growing in a bog setting with low fertility, the tree's growth may remain stunted for an extended period.
  
  

Trunk Width

• A small- to medium-sized tree that lives to a maximum of 200 years, the black spruce is hardy to United States Department of Agriculture Plant Hardiness Zone 2, growing primarily across the extreme Northern sections of the United States and all throughout Canada. The trunk normally grows to a width of between 6 and 8 inches.
  
  

U.S. Record

• According to Alaska Newspapers Inc., the tallest black spruce in that state is a 71-foot specimen situated on the campus of the University of Alaska at Fairbanks. The tallest black spruce on record in the United States towers 78 feet into the sky from it's home in Taylor County, Wisconsin.