American elms, Ulmus americana, are native to North America from Saskatchewan to Nova Scotia and from Texas to Florida. They grow 60 to 80 feet tall, with a thick trunk, the shape of a vase and a ...

Growing Degree Days (GDD's): 7-120 GDD's, Base 50F, January 1st Start Date (Dormant for aphids; Rutgers); 121-246 GDD’s, Base 50F, March 1st Start Date (Source: Cornell Cooperative Extension.) The ...

Dear Dr. Fox: One of your recent columns had a subject I had considered writing to you about. The writer had a dog who ate elm leaves. My cat will seek out and eat elm leaves. He is out for short ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock Michigan has recorded its first detection of the elm zigzag sawfly, an invasive insect whose larvae create ...

It feels like spring and our thoughts are turning to gardening. Turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU Extension faculty and ...

Figure 1: Cryptocline leaf spot on Elm (photo by Paul Bachi, University of Kentucky Research and Education Center) Figure 2: Cryptocline leaf spot on a young elm shrub. As the density of leaf spots ...

American elms, Ulmus americana, are native to North America from Saskatchewan to Nova Scotia and from Texas to Florida. They grow 60 to 80 feet tall, with a thick trunk, the shape of a vase and a ...

Michigan has recorded its first detection of the elm zigzag sawfly, an invasive insect whose larvae create winding feeding trails on elm leaves. According to a press release from the Michigan ...