Steps to winterizing the greenhouse

This is a technique I use to button up the greenhouse for winter.

1) wrap all large pots with bubble wrap in order to hold on to the warmth.

2) spray foam in any holes along the base between the concrete blocks and ground in order to keep air leaks to a minimum.

3) use eyehooks on the ceiling, below the rafters, on each beam and tie a string/ wire that can be lowered or raised on the ceiling. So there is a string that the vinyl plastic is resting on below the beams. About 2 years ago, I went to Joanns Fabric and bought about 5-6 yards of heavy duty vinyl in the tablecloth area. I sewed it together to make one large blanket in the exact size of the greenhouse. Each year I just unfold the vinyl, lower the string and lay the vinyls over the strings. Pull to raise and tie around eyehooks.  It keeps the warmth in and allows the sun to shine through.

4) place a couple of fans and a few utility heaters that are set to come on at about 55 degrees. Place them to circulate the air around the greenhouse.

That's it! I overwinter ferns, pineapples, limes, lemon, cherry, herbs, papaya, coleus, violets and geraniums. It stays a consistent 20 degrees warmer than the outside temperature. I water throughly once a week.

Happy gardening!