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Cold Hardy Bananas This forum is dedicated to the discussion of bananas that are able to grow and thrive in cold areas. You'll find lots of tips and discussions about keeping your bananas over the winter.


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Old 09-25-2015, 09:27 PM   #1 (permalink)
 
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Default banana sphere pit greenhouse

[IMG][/IMG]
i built a nice little pit type green house to overwinter a few banana plants in its 48 in in the ground with 3 cold sink holes going down to 7 ft for heat transfer top is double walled poly with 4 in dead air space in between we will see how it works pictures in my gallery to much hassel to get them on the post at least for me

Last edited by obdiah : 09-26-2015 at 06:51 AM.
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Old 09-26-2015, 11:42 AM   #2 (permalink)
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Default Re: banana sphere pit greenhouse

Where are you located?
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Old 09-26-2015, 01:22 PM   #3 (permalink)
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Default Re: banana sphere pit greenhouse

Try this one...
Bio Dome on a massive scale from one
of ancient threads I found...
Top eco visitor attraction - rainforest, gardens & educational charity - Eden Project Cornwall UK

From post#10...
Anyone have an image of a healthy Papaya leaf?
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Old 09-27-2015, 07:48 AM   #4 (permalink)
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Default Re: banana sphere pit greenhouse

This a truly an ingenious project.
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Old 09-27-2015, 11:09 AM   #5 (permalink)
 
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Default Re: banana sphere pit greenhouse

Quote:
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Where are you located?
North carolina zone 7 in the foot hills of the brushy mt
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Old 09-27-2015, 10:21 PM   #6 (permalink)
 
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Default Re: banana sphere pit greenhouse

It's a silo for InterContinental Banana Missiles.
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Old 09-28-2015, 07:47 AM   #7 (permalink)
 
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Default Re: banana sphere pit greenhouse

Looks pretty neat. I'd have a hard time doing that with the clay and rocks in my soil.

How do you plan to water the plants over the winter months?


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Old 10-03-2015, 07:16 AM   #8 (permalink)
 
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Default Re: banana sphere pit greenhouse

Quote:
Originally Posted by geissene View Post
Looks pretty neat. I'd have a hard time doing that with the clay and rocks in my soil.

How do you plan to water the plants over the winter months?


Erik G

The open section is a door to water through in the closed shelter there won't be much evaporation so shouldnt need much water
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Old 10-03-2015, 11:58 AM   #9 (permalink)
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Default Re: banana sphere pit greenhouse

[quote=obdiah;265151][IMG][/IMG]

\cell \lastrow\row}

Looks great
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Old 10-09-2015, 07:52 PM   #10 (permalink)
 
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Default Re: banana sphere pit greenhouse

It would be interesting to rig up some way to record inside and outside temps through the winter. Any plans along those lines?

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Old 10-10-2015, 06:22 AM   #11 (permalink)
 
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Default Re: banana sphere pit greenhouse

Fascinating concept. I've heard that normal pit greenhouses which stay at 50-55F, requires around 4 feet of digging. But to make this shallower, then balance it off with heat sinks makes things far more interesting. That also allows light to reach the entirety of the plant which most ignore, and keeps the top of the structure close to the ground, reducing heat loss through wind chill. Definitely looking forward to seeing how it works for you through the winter.
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Old 06-03-2016, 08:09 PM   #12 (permalink)
 
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Default Re: banana sphere pit greenhouse

so.... how did they fare?
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Old 06-04-2016, 04:20 PM   #13 (permalink)
 
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Default Re: banana sphere pit greenhouse

I replied on on my phone but didnot seem to work so i will use a real computer this time
it worked very well i had 1 veinte cohol in the ground in the center then i ended up with a bunch of fall pups just before frost and no were to store them so i just potted them and placed them in the hole around the viente cohol heres the results
the vc stayed green and healthy until febuary then started turning yellow and dieing
mainly from a combnation of cool temps and way to much moisture due to ground water
running in there was no frost damage though a drain has since been installed
4 velutina plants survived with no problems and grew all winter and are bearing fruit outside now
two blue java pups lived all winter and even grew some and are now outside and growing well
2 orinico pups also lived and stayed green all winter

all with no heat all and night time temps diping into the low teens and 2 nights of 9 degree temps
no watering was need all winter
my intent is to have 1 plant in each hole then remove the top and let it bloom and fruit
i plan on a dwarf namaw and to try another vc i like how fast they grow but they seem fragile and do not like cool temps
I am in the process of digging another one
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Old 06-04-2016, 07:00 PM   #14 (permalink)
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Default Re: banana sphere pit greenhouse

no pics! come on you must have some!!!
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Old 06-05-2016, 07:14 AM   #15 (permalink)
 
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Default Re: banana sphere pit greenhouse

with such a short photoperiod i was curious to see... sounds like a success

did you have to shovel snow off the lids at all?
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