The last few years, ornamental pear tree leaves have been infected with a rust disease that caused numerous orange spots on their leaves. This disease is cedar-hawthorn rust and on ornamental pear it ...

One of the oddities that nature throws our way in late June is the rusty-orange dust that sometimes mysteriously shows up on cars and walkways under trees. The powdery substance is usually from spores ...

Our often-wet springs bring with them the perfect conditions for many plant diseases. While moist weather can create conditions for diseases on many plants, sick trees in the landscape tend to draw ...