I've been having this problem with white flies for about three years now !
I live in Montreal,Canada and have tried everything to get rid of these terrible pests !!!
They are on all of my
plants and this year I left them outside in the bitter cold to try and freeze the little suckers but they still persist.
I have some sensitive
plants that will not tolerate the cold much and I am not looking forward to next
spring when i will start my vegetables.
Please help me find a way to kill these beasts before I give up hope !
Thanks A Bunch !

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