Add Yahoo as a preferred source to see more of our stories on Google. Which Trees Produce Spiky Round Balls? Here's How to Identify Them You don't have to be a trained arborist to notice that certain ...

Springfield folklore says the city’s population of sweet gum trees (and their annoying, spiky “gum ball” seed pods) dates from the great elm tree die-off of the late 1940s. Sweet gums indeed were one ...

You don't have to be a trained arborist to notice that certain trees have unique traits that can help you identify them. Spiky, round seed pods are one giveaway when you're trying to figure out which ...