Buy the 2015 Old Farmer's Almanac!
Reporting
All of our sources indicateAll of our sources indicate that it is not recommended. Instead, use glass, twin layers of plastic film, fiberglass, Plexiglass® or other translucent material. But if you do it and it works, let us know.

2015 Special Edition Garden GuideCooking Fresh with The Old Farmer's AlmanacThe Almanac Monthly Digital MagazineWhat the heck is a Garden Hod?