Re: Time to put the bananas to sleep for the Winter
agreed, it definitely needs insulation.
With blue barrels like that though you might try getting some tacky spray on adhesive (car headliner adhesive comes to mind) and spray it on the paper side of some fiberglass insulation. Then glue the insulation to the barrel. If you get the right thickness you can probably fill most of the barrel with insulation and still leave an inch or 2 of space for the pstem not to rot.
I think as long as whatever chemicals were previously stored in there... as long as they are not aromatic like gas etc you don't have to worry about them leeching into the banana because there is no real soil contact to absorb.
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