Rose disease or mineral deficiency - Ask Extension
What is causing discoloration on underside of leaves. See close up picture. Top of leaf is dark green
Knowledgebase
Rose disease or mineral deficiency #773557
Asked September 29, 2021, 1:06 PM EDT
What is causing discoloration on underside of leaves. See close up picture. Top of leaf is dark green
Oakland County Michigan
Expert Response
Hello Cathy,
Rose are very often contaminated with rust especially in rainy wet weather. Good control measures are needed. The following publication will provide more information and assistance. https://ipm.illinois.edu/diseases/rpds/630.pdf
Thanks for contacting Ask Extension.
