Eucalyptus Freezes in the Piedmont

When a cold snap killed the Eucalyptus benthamii saplings, no one was surprised. E. benthamii is one of the most cold-tolerant of approximately 700 Eucalypts. Still, it is maladapted to the North Carolina Piedmont, according to a recent USDA Forest Service study published in Forest Science. “Winters are becoming milder,” says John Butnor, an SRS…  More 

How Cold Is Too Cold for Redbay Ambrosia Beetles?

Nonnative redbay ambrosia beetles and the fungus they carry have killed hundreds of millions of trees in the Southeast since first detected in 2002. Currently, only cold temperatures limit the beetles’ establishment and spread in the eastern United States. A study led by Mississippi State University involving U.S. Forest Service researchers determined the coldest temperatures…  More