Extending the honeymoon: Managing fungal diseases in roses

An expert rosarian offers advice on how to block or minimize powdery mildew, black spot, rust and more in San Diego gardens.
The Baltimore Sun

Those red stems on a rose bush indicate a plant sickened by rose rosette virus

My rose has some reddened stems, at the same time other stems are green. Is this just new growth? It looks weird. Rose rosette virus has infected your rose. Besides reddened leaves and stems, disease ...
Richmond

Gardening Q&A: Rose rosette disease delivers death blow to knockout bushes

QUESTION: I’m curious about my knockout rose bushes dying. I’m sending pics of a new shoot and one I cut off several days ago. I realize it’s dried up, but can you can tell anything from it and the ...
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How To Revive Roses And Get Them Blooming Again

Don't give up on your rose bush just yet. If your rose garden is your pride and joy, it can be devastating to watch as the health of a once-glorious shrub declines. Pests, diseases, and environmental ...