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#3134075 - 01/22/13 08:11 AM Raised bed gardeners ?
The_Utility_Dude
8 Point


Registered: 12/21/01
Posts: 1693
Loc: East Tennessee

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For all you raised bed gardeners, what do you use to make the "walls" of your raised beds? I've always been a "traditional" gardner but am thinking I'll try a raised bed or two this year.

I've been told not to used pressure treated lumber or RR cross ties due to chemical leaching into the soil. Any help is appreciated.
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#3134400 - 01/22/13 12:01 PM Re: Raised bed gardeners ? [Re: The_Utility_Dude]
GRAMPS
14 Point


Registered: 09/12/03
Posts: 8600
Loc: Mount Carmel, TN

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I use both pressure treated boards and used railroad ties with no problems.
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#3134513 - 01/22/13 01:31 PM Re: Raised bed gardeners ? [Re: GRAMPS]
DntBrnDPig
8 Point


Registered: 04/12/05
Posts: 2034
Loc: Cleveland, TN

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lol, they say that about chemicals in both..

I used pressure treated 2x10's that were 10 feet long. I got 3 of those to make one raised bed. Cut the 3rd one in half so I had a 5x10 bed. I could reach 2.5 feet (the middle) from each side.

Filled it with compost/soil mix and had a great growing season (until bugs got my squash and zucchini plants).

Then I moved. :-(
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Any time you can get out to hunt, is a good day to hunt.

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#3134567 - 01/22/13 02:10 PM Re: Raised bed gardeners ? [Re: DntBrnDPig]
Homebrewer
4 Point


Registered: 06/12/08
Posts: 168
Loc: Smith County

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I built two last year using pressure treted 2X10's. I stacked them 2 high and built them 4Ft.X 12Ft. They did so well I am building two more this year for myself and two for my daughter!
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#3135998 - 01/23/13 12:51 PM Re: Raised bed gardeners ? [Re: GRAMPS]
WMAn
8 Point


Registered: 11/05/10
Posts: 1174
Loc: Williamson County

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 Originally Posted By: GRAMPS
I use both pressure treated boards and used railroad ties with no problems.


The problem with chemicals in these products and all other chemicals that are potentially harmful is it is hard to see the harm. If after twenty years of eating produce from raised beds with pressure treated lumber, you develop cancer or some other chronic illness, was it the chemicals?

Kind of similar to how some people smoke and never get sick. Just because it doesn't make you sick this year or next year doesn't mean it's good for you.

I'm building my raised beds out of cedar. If you search around different lumber yards, you can find good prices on cedar. My beds are 4'x4'.
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#3137402 - 01/24/13 12:16 PM Re: Raised bed gardeners ? [Re: WMAn]
Crosshairy
10 Point


Registered: 08/22/06
Posts: 2578
Loc: Bartlett, TN

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 Originally Posted By: WMAn
 Originally Posted By: GRAMPS
I use both pressure treated boards and used railroad ties with no problems.


The problem with chemicals in these products and all other chemicals that are potentially harmful is it is hard to see the harm. If after twenty years of eating produce from raised beds with pressure treated lumber, you develop cancer or some other chronic illness, was it the chemicals?

Kind of similar to how some people smoke and never get sick. Just because it doesn't make you sick this year or next year doesn't mean it's good for you.

I'm building my raised beds out of cedar. If you search around different lumber yards, you can find good prices on cedar. My beds are 4'x4'.


Any clue how long cedar boards will last before rotting?

How deep did you make your beds? I was thinking of just getting 10" boards and doing a single board's depth, but wasn't sure if that was enough.

In case it isn't obvious, I'm a gardening novice...
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#3137651 - 01/24/13 02:47 PM Re: Raised bed gardeners ? [Re: Crosshairy]
WMAn
8 Point


Registered: 11/05/10
Posts: 1174
Loc: Williamson County

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I'm doing one twelve inch board because I'm planting a lot of carrots and potatoes. Were I not planting so many of those, I would go with 6 inches.

I don't know how long they'll take to rot, but I would guess they'll last long enough.
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I am a financial planner for couples who are too busy or don't know where to start. http://cumberlandwealthplanners.com/

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#3143166 - 01/28/13 09:41 PM Re: Raised bed gardeners ? [Re: WMAn]
OldFart
6 Point


Registered: 09/01/00
Posts: 962
Loc: Aurora, CO 80012 USA

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Greets fm CO
I have several raised beds here in Aurora, CO. I use 8 X 8 X 16 concrete blocks. Blocks might get things too hot in TN. Some of my beds are 8 in deep, some are 16.
My daughter who lives 2 miles fm me, uses 2 X 10s and does excellent with her garden.
I mix my own soil, one third each, compost, sand and peat moss.
They work fine. I add compost every year.
Raise tomatoes, squash, greens, chard,beans.
Raised beds do take a bit more water. The peat I put in my beds helps with that tho.
Ray

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#3143907 - 01/29/13 01:26 PM Re: Raised bed gardeners ? [Re: OldFart]
Crosshairy
10 Point


Registered: 08/22/06
Posts: 2578
Loc: Bartlett, TN

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Ray,
How important is the sand content? I haven't heard much about that before. It seems like the sand and the peat would be in competition regarding water retention.

How does it help?

Sorry for such rookie questions \:\)
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I'm hungry and tired. Don't poke my belly.

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#3144448 - 01/29/13 07:12 PM Re: Raised bed gardeners ? [Re: Crosshairy]
OldFart
6 Point


Registered: 09/01/00
Posts: 962
Loc: Aurora, CO 80012 USA

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The sand and peat are not competing but seeking a balance. The sand allows enuf drainage and the peat allows enuf moisture holding capability. After a few years and adding more compost my sand content is down somewhat and I actually think it's better. However in TN, maybe the sand would provide more drainage and since you all get more rain, maybe that's better.
Thanks Ray

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