If you just found out that your raised garden bed was made with arsenic treated wood if rebuilding is not an option know that plants will not absorb arsenic when they have enough phosphorous.
Treated lumber for raised garden.
In 2003 the environmental protection agency epa banned the use of lumber with added chromate copper arsenate cca due to the copper and arsenic content.
While there is scientific consensus that it is safe to use for garden and vegetable beds the information below explains what chemicals are used in viance ground contact treated wood for residential use and the results of numerous scientific studies.
Some have the same look and others are a different approach altogether.
If you want to grow the healthiest best organic food possible it s probably not a good idea to use any kind of pressure treated lumber.
Plants normally don t absorb arsenic unless the soil has a phosphorus deficiency more info here.
While there is scientific consensus that it is safe to use for garden beds the information below explains what chemicals are used in viance ground contact treated wood for residential use and the results of numerous scientific studies.
Yes you can use pressure treated lumber for your raised garden beds homeowners ask if it is safe to use treated lumber for garden vegetable beds.
Homeowners ask if it is safe to use treated lumber for garden beds.
Arsenic copper and chromium levels found in the vegetables grown in raised beds made from pressure treated wood were the same as conventionally grown vegetables purchased from a grocery store.
If you already have raised beds made of treated wood you needn t panic.