Orange slime on birch and ironwood, and other weird stuff on tree bark
Crazy harmless stuff sometimes grows on tree sap.
Emerald ash borer update
Read the latest about EAB.
Leaf disease on ash and oak
Our wet spring is promoting a leaf disease on ash and oak.
Winter drying injury on evergreens in Northern Minnesota
Winter didn’t take its toll on just us.
New forest health specialists in the Northwest and Northeast Regions
Drum roll: introducing the newest members of the forest health team!
Witches’-broom on red pine
Neither a witch, nor a broom
Browse back issues of Forest Insect and Disease Newsletter from 2017 to present.