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.
Treated lumber for raised garden bed.
If you already have raised beds made of treated wood you needn t panic.
Yes you can use treated lumber for your raised vegetable garden beds.
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.
From what i ve seen the consensus is that the chemicals do leach out of the wood into the soil and are uptaken by the plants in very small amounts.
There is no simple answer to this question.
Cca treated wood should not be used for garden beds says the vermont department of health.
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.
The concern is that the chemicals that are used to treat the lumber can leach into the soil.
Homeowners ask if it is safe to use treated lumber for garden beds.
Why would it not be safe.
The safety of pressure treated lumber for raised bed gardens has been examined by several researchers.
Cca treated wood has been restricted since 2004 to foundation construction only.
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.