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 ...

After last season’s drought, I know I shouldn’t complain about rain but come on — give me a break! The earlier part of this past week has been brutal if you prefer the sun. However, we need the water ...

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 ...

Q: Most years, my hawthorn tree gets lots of brown patches on the leaves. It always seems to grow normally, though, so I wonder if this is a disease I need to worry about? A: Although hawthorn trees ...

Cedar-apple rust is one of several plant diseases that are all caused by different species of a fungus called gymnosporangium. All of these diseases are referred to as gymnosporangium rust diseases.

With our recent rainy weather, you may have noticed bright orange orbs with gelatinous tendrils on our native eastern red cedar and ornamental cedars (Juniperus spp.). These are the galls of the cedar ...

April showers bring May flowers…and also the blooms of cedar apple rust. As you drive around the county, keep your eyes peeled for the distinctive orange fruiting bodies of cedar apple rust that can ...