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Old October 9, 2020   #6
slugworth
Tomatovillian™
 
Join Date: Oct 2014
Location: connecticut,usa
Posts: 1,014
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2 years ago during the winter,indoor tomato plants were infested with whitefly.
I put them in an unheated porch but on food warming trays to keep the pots/roots warm.
Night temps went into the low 30's F and killed the pests without using harsh chemicals
and the plants were fine after that.
I brought them back in the house under lights for the rest of the episode.
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