Some of my plant go a little frost bite last night... sigh... I didn't think that it got that cold! So today, my sweet husband pounded 24" rebar into the corners of 2 of my 4x4 boxes (the one with the tomatoes), I then put my 1/2" PVC dome thingies on covered with clear plastic.
I had to use rebar because of the strong winds we get here in Wyoming. Will post a pic tomorrow.