Some Western Washington poplar trees are turning brown just weeks after leafing out this spring and most will probably never be green again. Horticulturists say a deep lesion called a canker is ...

Q: We have a cottonwood in our yard, and we noticed last week that a few branches are dying. The tree is approximately 25-30 years old so I can’t imagine that the tree is dying. We were wondering if ...

Forest geneticists have created genetically modified poplar trees that grow faster, have resistance to insect pests and are able to retain expression of the inserted genes for at least 14 years, a ...

Purdue University researchers are collaborating with Chrysler LLC in a project to use poplar trees to eliminate pollutants from a contaminated site in north-central Indiana. The researchers plan to ...

PITTSBURGH (KDKA) -- We're into that time of year when storms will pop up and trees will come down and if they fall on your house or car, it can be expensive. So how can you tell if your trees are ...

Indiana’s state tree, the yellow poplar, also known as the tulip poplar, is dying across the state. It’s mostly due to the drought that continues throughout much of Indiana. “I think we’re going to ...

Tulip poplar (Liriodendron tulipifera) is one of the largest trees in Indiana and the eastern portion of the country. Tulip poplar reaching heights in excess of 50-60 m (160-200 ft) with a diameter at ...