Untreated Wood For Garden Beds

The wood that people worry about leaching chemicals into the soil is cca chromated copper arsenate pressure treated wood or old railway ties.
Untreated wood for garden beds. The durability of untreated wood used for raised beds largely depends on the type of wood used. They worked a treat at first but after two years the. You can read more about it below. Another alternative is to use a longer lasting untreated wood as mentioned earlier.
It s time to get into some methods you can use to keep your raised garden bed from rotting. It was a nightmare getting the planks off undamaged but we got there eventually. The first 2 methods are useful if you have already built a raised garden bed out of wood. Yes untreated wood will decompose over time but because it is untreated you reduce the risk of potential toxins moving from your wooden beds into that organic veggie garden you re starting to keep your family fed well.
This type of treated wood was banned years ago for household use. 4 more ways to keep your raised garden bed from rotting. Wooden planters built out of untreated wood will probably last much longer than you think. Untreated lumber such as pine is the least durable and is not recommended.
A redwood raised garden bed however can last up to 20 years. I also use some pressure treated wood for various garden structures including large raised beds. Wood composite products. A cedar frame can last up to 10 years but one made of douglas fir may last only 5 to 7 years.
These materials will generally last 10 to 20 years in a raised bed garden.