Surefire way to get a cold front to move in: take the covers off the garden.
It wasn't five hours after I took the covers off, folded them up, put them in the old freezer for storage, and took down the pvc pipe frames ...
... and the Weatherman's forecasting possible 2" hail tonight and record lows tomorrow night, maybe even in the thirties.
And I'm all out of candles. Crap.