Use Pressure Treated Wood for Raised Garden Beds Posted 24 June 2009 7:44 PM by Vegetable lovers are finding that a little more green in the pocket is worth a bit of toil in the soil.
Regular lumber begins to break down within the first year if it comes in contact with the soil, so many gardeners used to use pressure treated wood for gardening, such as landscape timbers and railroad ties, which is chemically treated to withstand the weather.
If you use CCA lumber… The chemicals in pressure-treated lumber are pesticides, so you should handle the wood with the same precautions as befit any potentially hazardous material. Protect yourself while working with CCA wood. Always wear gloves, eye protection, and most important, a dust mask. Long sleeves are a good idea, too.
Pressure treated wood Pressure treatment uses a high-pressure tank to force the preservative chemicals deep into the timber quickly. This makes the wood much more durable and able to withstand damage and exposure to moisture.
Can you use pressure treated wood to build raised beds? The pros and cons of using pressure treated wood in the garden. More Raised Garden Bed videos: https://goo.gl/xhmmpe Subscribe here: http ...
Yes, the "new" pressure treated wood is safe for use for raised garden frames... with a few precautions! Up until 2003, the most common preservative used for pressure treated wood was chromated copper arsenate (CCA), a compound using arsenic as its primary rot protectant. Over years, the industry, in cooperation with government recommendations, phased out the use of CCA for all residential and most commercial wood pressure treatment.
Gardeners have used pressure-treated wood for decades in raised beds and as posts, but on December 31, 2003, the Environmental Protection Agency (EPA) banned the sale of lumber treated with chromated copper arsenate (CCA) for residential use.
When selecting wood to make raised beds often people will recommend avoiding pressure treated wood siting the preservatives may be harmful. In this month’s installment of our testing garden ...
You should wait a few days before attempting to paint and stain the wood. We have a broad selection of stain and paint products specifically formulated for treated wood. Pressure-treated lumber can last 20 years or more, and most pressure treated wood comes with a residential and agricultural limited warranty.
Modern pressure treated wood should be an acceptable option. The preservatives use various types of copper compounds which should pose no hazard to people eating vegetables grown nearby. When building the raised beds with this lumber, make sure you and your scouts wash their hands well after the construction is done.
Soil Chemistry and Pressure Treated Wood The key to understanding and balancing all of the factors involved with using pressure treated wood in the garden is understanding what happens to the wood over time.
Any pressure treated lumber manufactured for consumer use after that date has no arsenic in it. The ban all told was a better safe than sorry issue grown out of kids touching/playing on/eating off of/ CCA playground equipment, not garden contamination, but nevertheless, for the last 5 years pressure treated lumber has not contained arsenic.
Home and Garden Use of Treated Wood. Selecting the correct type of treated wood can reduce risks to people and the environment. Some preservatives can leach into soil or water and be taken up by plants. Touching treated wood may also leave residues on the skin.
Pressure Treated Lumber: Is It OK to Use in the Garden? Pressure treated lumber sold in stores today is different from that you probably knew many years ago. In 2002, the Environmental Protection Agency worked to outlaw the use of chromate copper arsenate (CCA) from lumber for home use.
If you choose to use CCA-treated wood for gardening purposes, do not allow sawdust or wood scraps to fall onto garden beds and do not put CCA sawdust in your compost pile. Cover CCA-treated wood used for raised garden beds or borders with heavy plastic to prevent contact with garden soil.
Alternatively, you could build the frame of your vegetable garden with pressure-treated wood (ACQ or CBA), then cover the inner wall with a sheet of plastic so that no copper from the wood ever touches the soil it contains.
This action halted the use and sale of CCA treated lumber for any residential use. ACQ and CA-B. Alkaline copper quat (ACQ), and copper azole (CA-B) are two of the currently used to produce pressure treated lumber for residential use in the United States.
The answer to using pressure treated wood for raised bed gardening really depends on the perspective of the gardener. Since 2003 the Environmental Protection Agency has banned harmful CCA pressure treated lumber for residential use due to the arsenic in the treating process and possibilities of leeching into soils.