GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on July 12, 2021
It could be insect damage, particularly spider mites. These articles should help:
https://www.gardeningknowhow.com/ornamental/flowers/roses/rose-spider-mites.htm
https://www.gardeningknowhow.com/ornamental/flowers/roses/aphids-on-roses.htm
https://www.gardeningknowhow.com/ornamental/flowers/roses/budworms-roses.htm
https://www.gardeningknowhow.com/ornamental/flowers/roses/rose-midges.htm
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