The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades since, the wood-boring beetle has ...

… but our independent journalism isn’t free to produce. Help us keep it this way with a tax-deductible donation today. In 2009, an invasive tree pest was discovered on an ash tree in St. Paul. This ...

Winter isn’t the ideal season for pruning trees in Upstate New York, but it’s the best time to cut scion or twigs from ash trees in parts of the state where the species has been all but wiped out.