Name: Sandy B. Ford River Twp, Michigan UP (Zone 4b) (Zone 4b-maybe 5a)
What type of greenhouse are you thinking of making with them? Somehow I can't imagine using hundreds of any kind of plastic bags to put a GH together...
Doesn't the hospital send them for recycling?
“Think occasionally of the suffering of which you spare yourself the sight." ~ Albert Schweitzer C/F temp conversion