On a brisk September morning, Brian Palik’s footfalls land quietly on a path in flickering light, beneath a red pine canopy in Minnesota’s iconic Northwoods. A mature red pine, also called Norway pine ...

According to a paper published by the USDA, the migratory behavior of these trees stems from climate change. “Tree creep,” ...

Q: A lemon tree was growing in my neighbor’s yard. I dug it up and transplanted it into a large pot. I am not sure what type of lemon it is. It did well for about a week, then suddenly all the leaves ...