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Old 10-05-2013, 04:21 PM   #1
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Choosing lumber for raised vegetable beds


Is the new treated lumber safe to use for this? If not, is there anything cheaper than cedar I can use? Thanks.

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Old 10-05-2013, 04:50 PM   #2
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Choosing lumber for raised vegetable beds


No it's not safe to use, as the new lumber will still leach into the soil. You may want to think about using composite decking (which is still a little costly), or just use regular 2x material. I built mine with 2x10's and it held up pretty well for 3 years.

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Old 10-05-2013, 05:31 PM   #3
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Choosing lumber for raised vegetable beds


Thanks. You used regular pine? On Menards' website, it lists the treated lumber as "environmentally friendly". Does anyone know what that means?
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Old 10-05-2013, 06:01 PM   #4
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Choosing lumber for raised vegetable beds


Look right on the tags on the end of pressure treated wood.
2X's are not below ground rated.
The old pressure treated wood was treated with arsenic, the newer wood it treated with copper.
I use pressure treated 6 X 6's and 4 X 4's all the time for raised gardens.
Composite not only is expensive but has about 0 side load strength. Unless you plan on supports every few ft. it's going to just bow out or look like a snake.
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Old 10-05-2013, 09:49 PM   #5
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Choosing lumber for raised vegetable beds


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Old 10-06-2013, 11:08 AM   #6
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Choosing lumber for raised vegetable beds


There's nothing wrong with today's copper treated wood being used around edibles.
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Old 10-06-2013, 12:59 PM   #7
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Choosing lumber for raised vegetable beds


I built several raised beds using cedar. Don't know about your area, but cedar where I live is about the same price as PT lumber. Some of my boxes have lasted ten years and still look OK. This is in direct contact with ground. Then again, I built some boxes using ordinary pine 2x10, they have lasted pretty well also.

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