Roses do not have thorns; they have prickles. But there ARE “thorns” in the rose garden. Their names are botrytis, black spot, rust, downy mildew, anthracnose and cerospora leaf spot. They are all ...

SHREVEPORT, La. - Roses may be the queens of Southern gardens, but even royalty can fall victim to common foes. One of the most widespread and stubborn problems local gardeners face is black spot, a ...

Compendium of Rose Diseases and Pests has been a trusted resource for plant pathologists, rose growers, and agricultural professionals worldwide since it was first published in 1983. APS PRESS, the ...

Oregon is famous for its beautiful roses. Ample rainfall and mild temperatures encourage leaf growth and flower production. But the same conditions that favor roses also favor their diseases. Black ...

Lisa Lawhead talks about fall plant diseases, and Bill Dickerson demonstrates fall rose care. This week on The Family Plot: Gardening in the Mid-South, Tennessee Department of Agriculture Plant ...