Black Fly On Broad Beans
Hi
My broad beans have a very bad infestation of Black Fly.
I am finding it almost impossible to get any kind of pesticides from
Garden Centres etc.
Does any one have any idea what I can do please?
Some one on the allotment site swears by boiled Rhubarb water. Claims it to
be a good poison. If so any one know the mix please?
regards
Ged
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