Black spot is one of the most common and frustrating diseases for rose growers. While it can weaken plants and reduce blooms, ...

Black spot is the most common disease roses face in the autumn and can cause the plant to lose all its leaves and not produce ...

Q: I have several Lady Banks roses planted in the raised bed along the wall. I noticed that several of the leaves have little dots along the edges with a clear, sticky substance coming from them. I ...

Black spot disease can devastate rose gardens, but applying mulch in November creates a protective barrier that helps prevent ...

Q. Several of my rose leaves are have become discolored, then turn yellow and drop. What's wrong and what should I do? Shirley F., Tulsa A. You have described a common fungus disease for roses called ...

Question: I have several pink Knock Out roses that I’ ve had for several years, and they have always been healthy and lovely. I make sure I care for them properly. Recently I noticed that all of them ...

Question: We have several roses growing in our new backyard. The previous owner planted them, so we’re not sure what kind they are. Now that cold weather has arrived, what should we do to care for the ...

Spring has sprung and gardeners are digging in. Got questions as you carry on? Get answers from Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU ...

Windy winters can weaken rose roots, but the right fall prep helps keep plants steady. A few simple steps now can set the ...

Our previous column included notes on pruning and propagating roses, and beginning a project to add roses, by first ...