Rose Plant

My yellow patio rose plant has got a white powdery coating on leaves. What can I do?

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2 Comments To "Rose Plant"

#1 Comment By Nikki On 05/21/2011 @ 12:57 pm

Neem oil can sometimes be effective. These articles will help: https://www.gardeningknowhow.com/ornamental/flowers/roses/roses-powdery-mildew.htm ^[1]
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm ^[2]

#2 Comment By roseman On 05/22/2011 @ 11:13 am

Great advice Nikki. Spraying them ASAP with a product such as Green Cure is very important. The sooner the fungus is killed the better before it weakens the rose too much.

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[1] https://www.gardeningknowhow.com/ornamental/flowers/roses/roses-powdery-mildew.htm: https://www.gardeningknowhow.com/ornamental/flowers/roses/roses-powdery-mildew.htm

[2] https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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