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Season extender

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Season extender

Post  ashort on 12/18/2011, 9:11 pm

So I have been working on building a "covered wagon" like is shown in the book for my 2x12 bed. The problem is that the bed is up against a fence, so I can't really drape the plastic to the ground and weight it down in back or easily on the sides. My first attempt was a failure. I used clamps to hold plastic onto a couple of hoops - the plastic was too thin - like 1 mil - it tore easily in the wind and got all "flappy" So back to the drawing board:

So I tinkered around a bit. First, I used 3/4in pvc pipes (the low pressure stuff - the 1/2 pvc fits right inside of them) cut to about a foot (the bed is deeper than recommended) and put one in each of the 12 corners (I have cross braces at 4 and 8 feet. I attached them with pipe hangers to the side of the box.

I built three sets of crisscross 1/2in pvc pipes - one for each of the four-foot sections. I ran a 8 foot piece of 1/2 pvc across all three.

I then took a 10' x 18' piece of 3.5 mil plastic sheeting for the top. I cut 2x2 lumber into 3 4ft and 2 2ft sections. I took the 3 4ft sections and centered them on the one of the long edges of plastic and stapled the plastic to the boards. I then rolled the board in the plastic so that the board was fully rolled up in the plastic plus. I then stapled the plastic securely to the boards. I then set the plastic covered boards along the back edge of the board and pulled the plastic back up an over the pvc frame.

Next I took the two 2 foot sections, rolled them up and stapled the plastic to them. I tucked the extra plastic in and then used my metal t stakes from staking up summer plants to hold it down in front.

I am sure I am getting Amazon gift cards for Christmas so I am going to get a dual temp min max thermometer to see what how effective my mini greenhouse is going to be.

I am going to do a similar deal with a 4x4 box later this week so I will take some pictures and post to this thread.


Oh yeah, this box is already partially planted - radishes, some peas, carrots and lettuces and other greens... Radishes and peas have sprouted. If a freeze comes along and kills them, I am not overly stressed, just out a few seeds...
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Re: Season extender

Post  boffer on 12/18/2011, 10:11 pm

Attention: NR Attention: NR

This post desperately needs your emoticon. I can't find mine!









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Re: Season extender

Post  ashort on 12/18/2011, 10:23 pm

@boffer wrote:Attention: NR Attention: NR

This post desperately needs your emoticon. I can't find mine!










Yes, I know, I will get some in a day or two... sorry...
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Re: Season extender

Post  boffer on 12/18/2011, 11:00 pm

@ashort wrote:...Yes, I know, I will get some in a day or two... sorry...

Now that threatens to get your man card revoked! Wink
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Re: Season extender

Post  Ha-v-v on 12/19/2011, 8:15 am

I made a covered wagon Dec. 14th (its a form of a green house in my thoughts, posted pics in the greenhouse thread, would it be bad form to put it in this one too?) for a 4x8 bed and didnt get my thermometer... a cheap one too mind you in the wagon until yesterday. But~! I did have lettuce popping up that were planted on Dec. 13th !!! I am quite excited about that. I have other cold weather crops planted as well, broccoli, cabbage, brussel sprouts, kale and chard. I do have onions and garlic planted as well. The walking egyptian onions were planted last spring I think (a gift from a neighbor, her thinnings). We have been eating from them since then too, we eat the tops Smile very oniony in flavor!!



I took 3/4 inch pvc pipe, two lengths of 10 cut it into 24 inch sections, pounded those into the ground to hold the 1/2 inch pvc pipe cut to 8ft pieces (5 of those). I bowed those to fit into the 3/4 pipe. I then took a 10ft 1/2 pvc to make a ridge pole and tied it to the ribs with string. I plan on making more of these for a couple other beds and a 10'x21' for a green house in Jan. This kid is jumping for joy I tell you. I will put a heater and fan into that one.
I have to say I didnt have to "guess" at where to put the ribs, with square foot gardening and my string grids made that easy peasy:)
Ha-v-v
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Re: Season extender

Post  staf74 on 12/19/2011, 8:27 am

Welcome to the wonderful world of season extension Ha-v-v !!!!

Great stuff and love your enthusiasm to build all those other wagons PLUS a greenhouse.

Can't wait to see pics ashort Wink
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Re: Season extender

Post  ashort on 12/30/2011, 11:32 pm

Here are a couple of pics of the completed project. I am working on a second bed and taking photos step by step...



and tonight after I installed two 100 watt light fixtures....



the lights are keeping the temp up quite well so far...



more pics to follow in the next couple of days...
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Re: Season extender

Post  Ha-v-v on 12/31/2011, 8:04 am

That looks lovely Ashort(or handsome whichever you prefer lol! ) I am in heaven with my hoop house!! I just threw it together.. the next one goes in today or tomorrow, and I am going to do a variation on that one. I will post pics later of the one that is growing food for me !! The lettuce popped up!!! along with the garlic, brussel sprouts, broccoli, baby pak choi and onions! I have no lights just a thermometer in there, I like the thermometer you are using. Is the bottom number for humidity?
I am eating tiny sprouts of lettuce I over planted on purpose Smile
Love where I live
Ha-v-v
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Re: Season extender

Post  llama momma on 12/31/2011, 9:38 am

It looks like the top is the current time, the middle is the inside temp, the bottom is the outside temp.
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Re: Season extender

Post  ashort on 12/31/2011, 9:57 am

Close, top is time, middle is the outside temp and the bottom is the temp inside my little hoop house with the two 100 wt bulbs going... 14 degrees warmer - I'll take that. I just used two of these clipped to the ridge pole....

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Re: Season extender

Post  HillbillyBob on 1/1/2012, 2:43 pm

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Re: Season extender

Post  walshevak on 1/3/2012, 7:53 am

outside temp this morning 28* inside 5x5x6 ft plastic greenhouse with 1 string of lights 33*, Supposed to go down to 20* tonight so I added another set of christmas lights.

hope spring eternal

Kay

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Re: Season extender

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