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Knockout Roses Have Leaves With Areas That Look Discolored

These areas are not on the leaf but in it.


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1 Comment To "Knockout Roses Have Leaves With Areas That Look Discolored"

#1 Comment By roseman On 08/26/2012 @ 9:00 am

I am not sure what you mean by discolored. However, it could be that the leaves are just turning towards yellow as they are soon to fall off. It could also be a fungus that is working on them. Here are a couple links to articles that you may find useful:

[1]

[2]

[3]

[4]

These articles will give you some great information.


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[1] : https://www.gardeningknowhow.com/ornamental/flowers/roses/black-spot-roses.htm

[2] : https://www.gardeningknowhow.com/ornamental/flowers/roses/rose-bush-diseases.htm

[3] : https://www.gardeningknowhow.com/ornamental/flowers/roses/yellow-rose-leaves.htm

[4] : https://www.gardeningknowhow.com/ornamental/flowers/roses/leaves-falling-off-roses.htm

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