With the advent of a freeze forecasted for the 22nd, I thought it timely to remind you to protect your tender plants. Although there are special sheet-like products available, old bed sheets will work fine. Got no old sheets? Then plan on going to estate sales. They are a sure find. In the photos below I have placed old X-mas tree lights (estate sales again) beneath the sheets. These maintain a temperature above 50 degrees through the night to protect the abutilon seedlings that are growing for future sales. If you plan on using plastic sheeting, don’t let the plastic touch the plants.
I just went outside to take a photo of the plants that the sheets were protecting. The abutilons have really grown well through the winter for the last 3½ months since cutting. We lift off the yellow tables each morning. A timer controls the lights, and that rug is a deterrent from tripping over the cords. The south exposure creates an extra 10 degrees of air temperature, and the pots most exposed to the sun are wrapped with white bubble wrap.
Stan, The Propagation Systems Manager Man