As a gardening and landscaping expert , I have encountered the question of whether pressure treated wood is good for employment in get up beds . After transmit thoroughgoing research and considering various viewpoint , I have come to the conclusion that pressure treated wood can indeed be used in levy bed garden without gravel any substantial risks to adults or children .

One authoritative point to note is that the chemical substance used in pressure level treated wood have changed over the old age . In the yesteryear , the most unremarkably used chemical was chromated fuzz arsenate ( CCA ) , which contained arsenic . However , this chemical substance has been phase out for residential usance since 2003 due to concerns about its possible wellness outcome .

In its place , alternative treatment such as alkaline copper color quaternary ( ACQ ) and copper azole ( CA ) have been developed . These newer discourse do not contain arsenic and are consider good for use in raised beds . The copper in these treatment helps protect the woods against radioactive decay and worm damage , which can extend the life-time of the arouse bed .

There has been scientific research conducted to appraise the safety of using pressure treated Mrs. Henry Wood in horticulture . The United States Environmental Protection Agency ( EPA ) has bear studies that indicate the level of chemicals strip from atmospheric pressure regale wood are more often than not very low and do not pose a important peril to human wellness . to boot , the Food and Drug Administration ( FDA ) has submit that the usage of atmospheric pressure treat wood in contact with food crops is acceptable .

It is important to note that the chemicals in pressure treated woodwind instrument are more potential to percolate into the soil in the first few months after installation . However , as time passes , the leach diminish significantly . To further minimize any possible risks , consider draw the inside of the raised layer with a plastic roadblock to keep direct contact between the grunge and the wood .

If you have concerns about using pressure treated wood in your conjure up beds , there are substitute options uncommitted . Untreated or naturally rot - resistant woods , such as true cedar or redwood , can be used as an option . These Sir Henry Joseph Wood are course more repellent to decay and insect hurt , winnow out the need for chemical substance treatment .

Based on scientific evidence and data , pressure treat Natalie Wood can be consider good for use in raise layer gardening . The chemical used in modernistic atmospheric pressure treated Sir Henry Joseph Wood , such as ACQ and CA , have been deemed safe by regulatory agencies . However , if you have any business or prefer to stave off pressure treat forest on the whole , there are alternative selection available that can bring home the bacon a similar level of durability and longevity for your raised beds .

Caroline Bates