GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on June 26, 2019
These articles tell how to treat and prevent these diseases:
https://www.gardeningknowhow.com/ornamental/flowers/roses/black-spot-roses.htm
https://www.gardeningknowhow.com/ornamental/flowers/roses/roses-powdery-mildew.htm
Was this answer useful?
00