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.
Is the new pressure-treated "Nature Wood" safe to use as a framing material for a raised bed vegetable garden? We would also like to know about non-toxic .
It depends on the preservatives used to treat the wood. Wood treated with CCA or chromated copper arsenate can leach arsenic, a very toxic compound. Plants growing in the garden bed may take up the chemicals. CCA-treated lumber shouldn't be used for garden beds and restricted to construction work only.
Pressure treated wood can be safely used for above ground raised garden frames.
Raised garden beds make gardening easier for planting, weed control and. In 2003, the EPA banned the sale of lumber treated with chromated copper .
Can you use pressure treated wood to build raised beds? The pros and cons of using pressure treated wood.
John from http://www.growingyourgreens.com/ answers your organic gardening questions. Help John to close.
Raised–bed gardening is a popular technique for growing plants in Missouri.. Concern has been raised about the safety of using treated lumber in food .
In the garden, this includes use as bed borders or trim; support for raised garden beds; plant stakes; and compost bins. This fact sheet explains the most widely .