
GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on April 19, 2021
It looks more like aphids than rust. Here is more information:
https://www.gardeningknowhow.com/ornamental/flowers/roses/aphids-on-roses.htm
https://www.gardeningknowhow.com/ornamental/flowers/roses/rose-rust-disease.htm
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