Is there an organic method of controlling greenfly?
Is there an organic method of controlling greenfly other than ladybirds? I recently had a major infestation on a lupin and could only find one or two ladybirds! I eventually had to dig up the lupin and dispose of it as it was completely covered and the flowers destroyed. How can I prevent this happening again?
Yes. Soapy water - real soap or detergent - is very effective but must be applied daily. You can also get proprietary brands of agricultural soap. If you still wash dishes by hand the left over water does the job perfectly.
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