Are coreopsis usually susceptible to aphids?

My normally healthy coreopsis have a TERRIBLE infestation of aphids – so much so that I have lost the lot. I am even considering Malathion, it is so bad. Are they ordinarily susceptible to such pests? Normal soap and water, applied repeatedly, has not worked.

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1 Comment To "Are coreopsis usually susceptible to aphids?"

#1 Comment By BushDoctor On 08/19/2019 @ 9:10 am

Even resistant plants can fall prey to them! With that being said, yes, this can be completely normal at times. There are a few things that you can do. These articles will help: https://www.gardeningknowhow.com/special/organic/natural-home-pesticides-organic-garden-pest-control.htm ^[1]

https://www.gardeningknowhow.com/special/organic/what-are-organic-pesticides.htm ^[2]

https://www.gardeningknowhow.com/plant-problems/pests/insects/homemade-aphid-control.htm ^[3]

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[1] https://www.gardeningknowhow.com/special/organic/natural-home-pesticides-organic-garden-pest-control.htm: https://www.gardeningknowhow.com/special/organic/natural-home-pesticides-organic-garden-pest-control.htm

[2] https://www.gardeningknowhow.com/special/organic/what-are-organic-pesticides.htm: https://www.gardeningknowhow.com/special/organic/what-are-organic-pesticides.htm

[3] https://www.gardeningknowhow.com/plant-problems/pests/insects/homemade-aphid-control.htm: https://www.gardeningknowhow.com/plant-problems/pests/insects/homemade-aphid-control.htm

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