November 2021
Drought summary for Minnesota's forests
Breaking down the impact of the 2021 drought to forests.
Drought impacts on red pine
How will the drought affect our state tree?
Drought impact on oaks
What is the fate of drought-stressed oaks?
Spruce budworm impact on northeast Minnesota
Since 2018, the spruce budworm has defoliated or destroyed hundreds of thousands of acres of fir and spruce forests in northeastern Minnesota.
Invasive, deadly oak wilt confirmed for the first time in Cass County
Oak wilt spreads into a new Minnesota county.
Attack of the squirrels
Sugar maple branches flagged orange in central Minnesota this summer, but not because of drought.
Archived issues
Browse back issues of Forest Insect and Disease Newsletter from 2020 to present.