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Nevermind Don't show this again Report Expired. Thanks for the vote! Thanks for supporting our community! Buy 2 get 1 free select video games. More from the Slickdeals Blog. Quote from redxxd : Shows 3. Quote from cmckenna5 : 1. Here is a link that might be useful: Product I used for my beds.
I used the treated timbers for all my beds I had a choice of gardening only if I had raised beds and I had to find something that was affordable. I read everything I could find regarding the chemicals in those timbers and decided for me it wasn't an issue If you do an internet search you will find a ga-zillion pages of information Landscape timbers are only coat treated.
They are not pressure treated. Meaning they spray the chemicals on the timber for looks only meant to last until you get them home. Where pressure treated lumber is soaked and pressurized to force the chem into the wood for lasting effects. I used timbers to frame an extra parking spot for my boat. That nice look lasted half a summer. Now they just look like reg wood. Arsenic and other nasty chemicals WILL leach out into your soil and be absorbed into the plants. Those chemicals do not break down and go away with time.
As for the EPA and FDA, their standards have been purposefully relaxed and redefined to allow corrupt farming practices for the big farming industry in America. Terms like "organic" or "All Natural" labeling on products and by-products i. I would rather you start over than risk poisoning your family or your neighbors! Use cedar or redwood lumber.
It is well worth the initial cost. It will last you for many years and is not treated. If still concerned, you should be able to find out from the supplier what was used for "treating" that particular lumber.
If the local store can't help you, then go to the top for information. I think you are fine as long as you don't plant food crops right up against the wood. Everything I have seen says that while chemicals are leached they don't travel far from the wood. Also while many chemicals are used to treat wood the biggest concern was CCA which is where the arsenic comes from , but since this has mostly been replaced by ACQ.
I looked on the Georgia-Pacific website and they use ACQ an arsenic free alternative to pressure treat their wood. I also have a raised bed made from pressure treated lumber. While I doubt there is any real concern I still avoid planting anything closer than a foot to the wood that I would eat, flowers are fine.
Also I avoid mixing the soil from the perimeter into the middle in case it is contaminated with chemicals. Railroad ties are dangerous for planting foods. As weirdtrev noted, the process used to treat lumber was changed in , the arsenic process wood is no longer available.
You're fine. So people will jump up and down if there is ANY negative substance in a product. Lets face it If you want to "detox" the area near the wood, plant sunflowers there this year and food next year. But, I would plant there My only concession was to plant marigolds or California poppies in the corners for beauty. I've been using RR ties for years and no one in my family or friends have ever gotten sick.
All of the studies that I have read pretty much say the same things about minimal leaching, etc. Of course, use some common sense I never get the ties that have leaking or dried creosote on them or smell. Mine are very well aged and have been no problem.
Our rainwater has more harmful chemicals in it than I want, but can't change that. I don't use fertilizers unless organic and I don't use pesticides, so I figure I'm ahead of the game. Even if you're growing in arsenic wood or in poluted soils of various types They will certainly take up far less in fruits peppers, tomatoes, etc. Numerous studies have shown uptake, but we're talking about very small amounts. If you're going to get the "bad effects" it's going to come from direct contact contamination or long storage root crops eatten in large amounts.
If you grow root veggies then peel them. Wash your produce if you're near any environmental toxin There are many types of pressure treated, preserved wood. While concerns about the use of CCA USED to be valid, CCA Chromated Copper Arsenate has not been used for several years now in products sold to the public - it's only available to lisensed contractors for highway or industrial construction.
Most currently manufactured treated wood products are treated with one of several formulas composed of copper, borates, sodium, and zinc - none of which pose a risk to the home gardener unless you plant to eat the wood itself.
As others have already said, the supplier can tell you which specific form of preservative was used on the wood you purchased and if you are then still worried, simply line the insides of the wood not the bottom of the bed with plastic or something similar. Umm yeah no nead to really repeat whats already been said, the landscape timbers aren't going to kill you or your family, or cause any other side effects like growing a second head Arsenic is no longer used as an agent in treating wood that the average consumer can purchase Which while having more eye appeal doesn't get you much help or any answers!
Your beds will be fine! At the local home depot here in Canada, there are information pamphlets from the manufacturing company, right beside the product. On the pamphlet it states "the product should not be used in a scenario where it could potentially become part of food or consumed by humans". A second note says, the product must not be used where it could potentially come into contact with drinking water.
If, as Dave says, the new PT lumber is only treated with some combination of "copper, borates, sodium, and zinc" and nothing more harmful , they might even be good for your garden. The way you can usually tell whether your lumber is pressure-treated or just stained: the PT lumber is usually perforated with rows of offset half-inch cuts, at least on two sides.
If you aren't sure, you could buy one piece and cut it across, and look at the cut side: the half-inch perforations should show quite clearly. These cuts are there to help the wood absorb the treatment. No, you can't always tell. They are very inconsistent. I got some last year that had been dipped only but right now my local HD has some on hand with a tag that says "Treated to refusal".
Also, watch out for sizes and prices. Besides, last year and this year many of them are a lot smaller so that I would call them "lanscape sticks" rather than timbers. I can only guess but I would say the reason for the price drop would be that lumber price has hit a 20 years low. With the housing crunch and lack of new home construction. A lot of the lumber companies are hurting. Call before you go. Note to readers: if you purchase something through one of our affiliate links we may earn a commission.
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