5F feels like -11F

pjmac

Well-known member
This isnt uncommon for my area but anyone else getting the polar vortex?. I have a cold frame greenhouse but spent the day bringing all my trees into my basement. I would have to run a heater full time at this point.
 

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This isnt uncommon for my area but anyone else getting the polar vortex?. I have a cold frame greenhouse but spent the day bringing all my trees into my basement. I would have to run a heater full time at this point.
It’s not that cold today, but coming in a few days we’ll be hitting those temps.
 
It's getting around 10F at night in Maryland. I have my heater heating up my garage when temperatures get down to 40F. My garage has a lot of places where heat can leak out. I keep my potted plants and tropical plants in this garage. So far all of my plants including my tropical plants; Limes, Bananas are still alive from what I can see.
 
This isnt uncommon for my area but anyone else getting the polar vortex?. I have a cold frame greenhouse but spent the day bringing all my trees into my basement. I would have to run a heater full time at this point.
I run a heater in my greenhouse. Currently -1f feels like -13f but its 77f in the greenhouse. I use a small vevor diesel heater connected to an afterburner thermostat. I've also insulated the greenhouse and added some lights for the winter as well.
 

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I run a heater in my greenhouse. Currently -1f feels like -13f but its 77f in the greenhouse. I use a small vevor diesel heater connected to an afterburner thermostat. I've also insulated the greenhouse and added some lights for the winter as well.
Very nice setup. I Could run a heater, my greenhouse is a coldframe, so that being said for me to turn it into what you are doing would take a lot of work. I have basically unlimited grow space indoors so i put my money into lights heater etc for an indoor tent, to extend my season for figs. I still use the greenhouse but i basically render it useless for these 2 or 3 months of brutal winter. My issue being is my grow room ceiling is fairly low so i cant start my big trees in pots til around mid february. Then they will go in the greenhouse and heated til its nice enough outside.
 

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Has anyone looked at the concrete insulation blankets? I was wondering about hanging one inside greenhouse or draping over it during winter.
I tarp my greenhouse, it helps a lot especially from the elements but eventually it just gets too cold here. I thought about making a box out of insulation board and just using some lighting inside to keep it warm. But i just decided to tuck them away in basement its 55. May wake them but i will deal with that if it happens
 
Very nice setup. I Could run a heater, my greenhouse is a coldframe, so that being said for me to turn it into what you are doing would take a lot of work. I have basically unlimited grow space indoors so i put my money into lights heater etc for an indoor tent, to extend my season for figs. I still use the greenhouse but i basically render it useless for these 2 or 3 months of brutal winter. My issue being is my grow room ceiling is fairly low so i cant start my big trees in pots til around mid february. Then they will go in the greenhouse and heated til its nice enough outside.
My house is small and full of children so my greenhouse is my little spot. I did underestimate the growth rate of some of my trees and it does get stressful worrying about a failure with heating. I definitely wish I could have a more secure indoor area for winter.
 
Someone here constructed a wooden box and then wrapped in the concrete insulation blanket. Can't remember who but I think @TorontoJoe copied it in a post.

I think you may be referring to the fig sarcophagus that @Tinyfish uses

 
I think you may be referring to the fig sarcophagus that @Tinyfish uses

Yes that’s it. Isn’t that wrapped in concrete blanket?
 
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