Pressure-treated wood is an alternative to naturally decay-resistant woods but should not be used in vegetable gardens because some types of pressure-treated wood contain arsenic. Producers of wood treated with MCQ claim that their product wont leach any copper into the environment and so is safe for all uses including raised garden beds.
Its probably a big improvement over arsenic treated wood whose health effects were clearly dire.
Is mca treated wood safe for vegetable gardens. Untreated wood deteriorates more quickly in contact with soil and will have to be replaced possibly every two to five years though heat-treated wood may last a bit longer. Environmental Protection Agency lumber treated with ACQ is safe for garden use. Unlike pressure-treated lumber untreated or heat-treated wood contains no questionable chemical compounds that may leach into the soil within the bed.
The safe logical choice ProWood MCA-treated wood products may be used in or around plant and produce gardens. Soil experts disagree on using copper-treated wood products in a vegetable garden. Any possible risks from exposure of plants or humans to CCA metals can be eliminated by not using CCA-treated wood in vegetable garden applications.
According to the American Wood Protection Association and the US. You can use it to construct raised garden frames. Before 2006 the answer would have certainly been no.
Copper and tebuconazole are the active biocide ingredients in MCA-treated wood products that protect against decay and termite attack. Stay tuned for more great gardening ideas. Modern pressure treated lumber is a safe choice for edging beds in your home vegetable garden.
Is It Safe to Use Treated Wood For Vegetable Gardens. Naturally decay-resistant wood such as eastern or western red cedar northern white cedar Osage orange white oak locust or redwood none of these will last as long as CCA-treated wood however. Its durability and nontoxicity make it among the.
Copper is considered much less toxic than arsenic. Soil experts disagree on using copper-treated wood products in a vegetable garden. Micronized Copper Azole MCA.
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. But I also found out that pressure-treated wood produced more recently is probably perfectly safe to use. Most treated wood is now infused with alkaline copper quaternary ACQ and I have heard little concern about its health effects.
Roots tend to absorb more copper than other parts of the plant but its stored right near the peel. In fact manufacturers of treated woods clearly advise precautions to be taken when handling andor working with their products. Most metals remain in the roots with the exception of leafy green vegetables.
So there are concerns that vegetables grown in treated wood garden beds could be hazardous but no concrete proof this is the case if you know of any please advise and Ill update this article but just because there isnt any real proof doesnt mean we shouldnt be cautious when working with or growing food crops around these types of products. Yes the modern pressure treated wood is safe. I found a report on tests done to see if ACQ might be harmful.
One common lumber product is YellaWood treated with a different chemical. Lettuce spinach and mustard greens tend to move metals into the leaves. Peeling will remove most traces.
Clean odorless non-staining and non-irritating ProWood MCA micronized copper azole treated lumber is safe for humans animals and the environment. You Can Use Treated Lumber for Raised Bed Gardens Scientific evidence backs up the claim that it is fine to use modern treated lumber in raised bed gardens. But now AQC is used and this is much safer for use in your vegetable garden.