Ruderalis is fine... but the THC levels leave much to be desired.  

Good luck covering the ladies with a plastic bag.  The lack of respiration and off-gassing combined with the ridiculous daily task makes this a bad way to go.  The better way is to darken the area completely by other means.  

Or, just do it right- indoors.

I love Jeff- but tis is not in his lane, for sure.