Veg Showcase Rooftop garden build

Geo

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Hi all!

Thanks to @AndrewB for giving me the idea to start such a thread.

Last year I started some plants in pots on the top of my garage. They grew somewhat... but during the year I built up on it, made myself a tumble composter and started this year with a lot of hope... and plenty of home-made compost. Here's this year's update:

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Geo

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@Mary Playford

There are pipes that bring water up there, but I've left them on the inside (for now) as we get a lot of negative temperatures during our winters. I am thinking of adding a small greenhouse and have tap (and collected) water in there for use. Thank you!
 

t4ms

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This year I'm attempting Mark's experiment of growing potatoes in cardboard boxes :)

I'm interested in this too as I've been contemplating buying a couple of potato grow bags for indeterminates (I've got a small space which I'm prepping at the moment for determinates). I've got a patch of concrete that I can cover with pots but I'm wondering how messy this is going to get/how quickly the cardboard box will collapse. I don't want the added work of shovelling and I'd like to keep it relatively contained. I think this idea would be great if you could place it on soil as opposed to concrete (the ideal start to a no-dig bed).

Let me know!
 

Geo

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I'm interested in this too as I've been contemplating buying a couple of potato grow bags for indeterminates (I've got a small space which I'm prepping at the moment for determinates). I've got a patch of concrete that I can cover with pots but I'm wondering how messy this is going to get/how quickly the cardboard box will collapse. I don't want the added work of shovelling and I'd like to keep it relatively contained. I think this idea would be great if you could place it on soil as opposed to concrete (the ideal start to a no-dig bed).

Let me know!
Yes I originally wanted to plant it on soil, BUT I actually was more interested how it goes on concrete - since this will be the main garden in years to come. Also... it gets very wet here (temperate climate) and leaving a cardboard box on the soil is more often than not bound to lead to a crash of the whole thing. This way it drains better. We've had some heavy rains... still holding :)
 

Geo

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They look great! How many seed potatoes did you put in?
I placed 12/13 really bad potatoes that were about to go to the trash bin in pairs of 2/3... they came out all over the place :)) - but since they were that far gone... I was glad they came out at all... can't wait for the harvest :)
 

Geo

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Some of the box potatoes started dying down last week. I blame the Sun... (Summer hit over here and the soil dries faster) so I started giving them water more often. Some of them flourished... but the ones that started decaying did not stop. Fingers crossed that I still get a good harvest:
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DThille

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For those looking at growing potatoes in boxes, a while back I came across a YouTube video that wrapped the box in chicken wire (or similar) prior to planting. That way, if the cardboard breaks down faster than anticipated, the poultry mesh holds everything together.
 

Geo

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For those looking at growing potatoes in boxes, a while back I came across a YouTube video that wrapped the box in chicken wire (or similar) prior to planting. That way, if the cardboard breaks down faster than anticipated, the poultry mesh holds everything together.
Thank you @DThille - that's a really nice tip!
 
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