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Whitefly and aphid infestation


yesterday I started to clear my greenhouse to find it is absolutely covered in whitefly and aphids. I was going to sow some seeds but now need to tackle this problem before I begin.

If I wash it all down with hot water and washing up liquid as well as my pots and tools, will this eradicate my aphid and whitefly infestation? I have never had this problem before so not sure how to proceed! 

Many thanks 




  • Ok thanks verdun. My greenhouse is a plastic one so it will have to be hot soapy water I suppose. Thanks for your help image 

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