Q.My Roses Have Brown Marks on Them and Are Turning Yellow
I have new rose bushes, one year old. They are blooming, but the leaves are turning yellow and have brown marks. Do I have aphids?
Heather
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on June 1, 2011
This sounds like black spot. This article will help:
https://www.gardeningknowhow.com/ornamental/flowers/roses/black-spot-roses.htm
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