The leaves of my apple tree have odd spots on them. What is this and what can I do about it? Although there are other possibilities, cedar-apple rust is a possibility, given your description, the wet ...

Rust disease is among the more interesting plant diseases because it requires two different plants to complete its lifecycle. There are a variety of rust diseases, including cedar-apple rust, Asian ...

This is a plant disease topic we usually talk about later in the season, but with the warm weather we have been having, it’s likely that rust season will start a little earlier this year. And when we ...

Q: The unusual orange growth in the photo is on my cedar tree. There are also a few smaller ones. What is it, and what should I do? — Dee H. A: The weird-looking growth on your evergreen is the ...

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 ...