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 ...

Q: My young serviceberry tree has lumpy, dark swellings on the twigs. When I checked my flowering plum tree, it looked worse, with the same symptoms. Is this a spreading disease, and how do I control ...

I got an email last week with a couple of photos about cedar trees. The trees had some kind of orange slimy growth and the person was afraid it was going to kill the trees. The cedars are 25 years old ...

Have you noticed the orange globs on some of the Eastern red cedar trees in the Skiatook area? It’s caused by a fungus known as cedar-apple rust, also called juniper-apple rust, since red cedars are ...

Shown here is an intimidating and odd-looking fungal growth attached to a cedar branch. It is called cedar apple rust. The airborne spores growing on the leaves and fruit of an apple tree will infect ...

QUESTION: Does cedar apple rust actually harm the cedar tree or is it just unsightly? We planted a crabapple tree nearby a few years ago, and now the cedar has a lot of those rust galls. If the rust ...

Cedar apple rust is a fungal pathogen that gets its name from a life cycle infecting cedar trees, then plants in the Rose family and back again. This year, spring weather conditions promoted the ...

Fruit trees will soon bud out. If a tree had a fungal leaf disease last season, and it resulted in severe and early leaf loss, spring is an important time to apply fungicides if that is the control ...