Gary Chastagner, a Washington State University professor called “Dr. Christmas Tree,” shows Trojan and other fir seedlings at the school’s Puyallup Research and Extension Center on Nov. 30, 2023, in […]Read More
Gary Chastagner, a Washington State University professor called “Dr. Christmas Tree” shows an example of a less-desirable tree due to fewer top branches, grown in a small plantation of Turkish […]Read More