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stone greenhouse???

John Seaver

Joined: Dec 01, 2011
Posts: 18
Howdy All!
Heres what I want to do, and I would love to hear thoughts and advice.... I want to build a stone/log greenhouse that is either half underground or burmed on the north wall. Why stone and log? Because they are free and on my property, I know it is probably the most labor intensive method but it will be very cheap! I am wondering if I can build a dry stacked stone wall, similar to the foundation of my farmhouse as a retaining wall underground. Then lay a log along the length of the top as a header and more logs as rafters, I was thinking to fasten them together timberlock screws would work? I will be using pine. This will be a passive solar design with a rocket stove I have already incorporated into the interior so I would love thoughts on how to improve, thoughts, wisdom from experience etc... Look forward to all your insights! If you have any videos or links that would be great too!!
R Scott

Joined: Apr 13, 2012
Posts: 3051
Location: Kansas Zone 6a
Build the "retaining wall" strong enough for how tall it is holding back the berm and it will work well. I know I have seen and OLD greenhouse built that way on the net somewhere, probably England, that was still in operation after nearly a hundred years.
"You must be the change you want to see in the world." "First they ignore you, then they laugh at you, then they fight you, then you win." --Mahatma Gandhi
"Preach the Gospel always, and if necessary, use words." --Francis of Assisi. "Family farms work when the whole family works the farm." -- Adam Klaus
David Miller

Joined: Sep 13, 2011
Posts: 268
Location: Harrisonburg, VA
-Passive heating via "skeeter cold sink" technology

Brenda Groth

Joined: Feb 01, 2009
Posts: 4433
Location: North Central Michigan
stone is an excellent heat it should be quite useful in the walls..

my tiny greenhouse has a floor of soil so I plant right in the soil..and it works out really well for me

not sure about the logs, might want to season them well first as they might shrink or twist


Bloom where you are planted.
duane hennon

Joined: Sep 23, 2010
Posts: 540
Location: western pennsylvania zone 5/a

Paul and Sepp to the rescue

I'm sure this could be modified into a greenhouse
John Polk

Joined: Feb 20, 2011
Posts: 6895
Location: Currently in Lake Stevens, WA. Home in Spokane
Here's a partially underground one that a guy I know in New Zealand built.

Nick Garbarino

Joined: Apr 24, 2012
Posts: 239
Location: west central Florida
I see a lot of water on the floor in the photo above, possibly seeping in from the outside, and/or just from watering the plants inside. It's likely to be loaded with nutrients, and could be used by pumping it out with a portable sump pump for plants outside the green house. That way, you wouldn't have to rain boots to walk around inside the green house. Or even better, design a passive drain system leading out to a planting outside.

Certifiable food forest gardener, free gardening advice offered and accepted. Permaculture is the intersection of environmentalsim and agriculture.
darius Van d'Rhys

Joined: Jul 07, 2011
Posts: 56
Location: SW Virginia Mountains, USA
Helen and Scott Nearing built a stone/log GH, partially buried, in Vermont (?). Search the 'Net and you should find a photo.
subject: stone greenhouse???