When shopping for planters, a planter box is one option you have to plant flowers in. Planter boxes can be used both inside and outside, however some styles are meant to be used either indoors or outdoors. Areas of high decay hazard, such as ground contact or very wet conditions (wood with a moisture content >20%), need pressure treatment for maximum penetrations. And by recycle I mean shred them into mulch or amendment that I can use in the same beds they once were used in. I would never want to shred treated lumber and put it into my garden. Western Red Cedar is ideal as a planter wood, because it is thermal coefficient, meaning that even on hot days, it is cool, which is good for plant roots. Teak (Tectona grandis) is moderately to very resistant to rot depending on whether the wood is old growth or second-growth.
If the wood was purchased or the structure was built prior to 2003, the lumber was most likely treated with CCA.# To be sure, you can obtain an arsenic test kit, available at many hardware stores and online. In fact once your garden is planted, grass clippings (as long as your grass hasn’t been treated with chemicals) does wonders sprinkled in around your plants. Stock tanks, which are typically round or rectangular with rounded ends, are generally used to feed farm animals, but they’ve been gaining popularity in recent years as a great way to add urban chic to the garden. It arrived in perfect condition and will make a nice addition on my is a well built sturdy planter.
I ordered this Ceder Wood Patio Planter to go along with two others I had bought last year. Using outdoor safe spray paint, repaint the outside a fun new color to start bringing the cabinet back to life. As for the size of raised beds, you never want to walk, stand or even put pressure on your growing medium. Lay down a thick layer of CARDBOARD in your raised garden beds to kill the grass.
You can find flower boxes in different depths in the event that you have larger plants, there is a metal planter box deep enough to hold it. You can also use a copper wood sealer over the treated wood for extra protection if you feel the need, I do this for posts going into the ground. The reaction of waterborne preservatives with wood does not affect most strength properties.
According to Miles McEvoy, who works in organic certification with the Washington State Department of Agriculture, no pressure-treated wood is allowed in soils used to grow organic food. Through experience and experimentation, wood preservatives commonly used today have proved to be highly toxic to wood destroying organisms. I have two 4’x12′ raised beds (boxes) and I am getting ready to plant vegetables. This Old House TV landscape contractor Roger Cook recently built a raised garden with a few young friends. My raised beds are made from 1″ untreated pine and last approximately 10 years.
I would line the bottom with gravel, make sure there’s good drainage, make sure it’s up off the ground, and let it go. The objective of a wood preservative is to contaminate or change the form of the fourth condition necessary for fungal growth, the food source. Wood that is more rot-resistant than another will be more expensive than a wood that is less rot resistant.
I would be sure to treat the wood on all sides and edges with multiple coats of a water repellant to help the natural rot-resistant chemicals in the lumber. Brown says that if you already have the older, arsenic-treated wood in your garden, don’t panic. Thanks for the information – my husband was just asking about protecting the wood in his new wine room – especially the table.
The reason that PT wood corrodes standard steel nails/screws is it has large amounts of copper in it. The copper-to-steel contact causes small galvanic currents to happen, and this speeds corrosion. Pressure-treated wood also tends to shrink over time and it doesn’t take stain or paint well unless the wood has dried out. Keep your container garden of herbs well-watered as they will dry out more rapidly than those that have been planted directly into the garden. Pressure treated wood with at least two coats of stain will further help your window box survive the elements.
Once the raised garden bed is built, you don’t ever till it. As the wood breaks down inside the bed, it will sorta-kinda till its insides itself. When I was getting ready to start construction on my raised beds I ran a whole lot of numbers. Large users such as the railroads have their own inspection departments to insure that the treated wood meets specifications. Plus knee and back problems can make it difficult to get in the garden (or get back up!). Metal Planter Boxes: Planter boxes made of metal are a perfect multi-purpose option.
If possible, all cutting, framing, and boring should also be done before treatment to prevent the exposure of untreated wood. After the boxes were put together, we (no really, I actually helped with this part) gave them a quick coat of stain. However, the water-soluble nature of these products means that they don’t chemically bond with the wood and can leach out.
This year I built cedar boxes similar to how Ana White did them here Though mine were 50% more expensive each. If you are going for a 10 ft by 16 ft layout, you can do 4 ft by 4ft boxes with a 2 ft walkway in between them. How To: ‘Trex’ Decking made into Flower Pot YouTubeMay 4, 2013 How To: ‘Trex’ Decking made into Flower Pot. If you buy your wood from a large home repair store like Home Depot, they will cut your wood for you to your desired dimensions so you don’t have to do it at home with a hand saw. You’ve got the ‘raised’ part of your raised garden sorted, now it’s time for the garden. We used a waterproof stain, and applied it mostly to the outsides of the boxes.