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Offline Haboob

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DIY Greenhouse
« on: September 26, 2018, 01:01:57 pm »
This was discussed very briefly about 2 years ago. Instead of reviving that thread, thought I would rather start a new one.

So has anyone built their own little greenhouse at home for growing veggies, etc?

I see there's quite a lot of plans available on the interweb, but thought I would ask here for any tips, plans, pitfalls, etc.

Please also share some photos if you've done one successfully.

Thanks
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Offline Meteor

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Re: DIY Greenhouse
« Reply #1 on: September 26, 2018, 08:54:39 pm »
Controlling the temps and especially the humidity in small greenhouses is not easy so I decided to do all walls with shadenet and the roof with greenhouse plastic. I have been able to avoid worms only.
Mites come and go as they please and I do catch some ladybugs and throw them in there but it doesn't seem to do too much.

My greenhouse only serves to keep out worms, rain and frostbite. 
 

Offline geopat

Re: DIY Greenhouse
« Reply #2 on: September 27, 2018, 06:24:24 am »
I thought greenhouses were used in cold climates to extend the growing season not sure if they are really suited to SA conditions
 

Offline Haboob

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Re: DIY Greenhouse
« Reply #3 on: September 27, 2018, 07:19:04 am »
Shouldn't it be easier to control the temp and humidity inside a greenhouse? It being more constant.

Also believe you will be able to extend the growing time of the seasonal crops and then also maybe have less insect, worms, etc.
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Offline Meteor

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Re: DIY Greenhouse
« Reply #4 on: September 27, 2018, 06:45:41 pm »

Maybe it is only Oudtshoorn problems cause we get -2 to 48 here.
If it 's normal to big it gets easier but these small ones are hard. When you water or build it with no ground sheet there will always be an uncomfortable amount of humidity inside. Some plants do well in this and others not. You want to have a vent or screen somewhere but preferably not near the ground because of mites and also not openly facing the sky because of the rain.

It does extent the growing season, usually by starting earlier or simply keeping stuff alive through winter, lots of plants will even fruit well. Other again will simply hang in.
Most seeds from 'nice' stuff like black tomatoes etc are also very soft these days from all this special treatment in greenhouses so you have to give them just as much attention in the greenhouse as a normal plant outside.
 

Offline Haboob

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Re: DIY Greenhouse
« Reply #5 on: September 28, 2018, 07:23:23 am »
Thanks Meteor. I'll give it a go and hope for the best.  :thumleft:
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