What kind of wood do you use to make a planter box?
There are a million types of wood in this world and they all react differently to outdoor conditions. The best wood to use on planter boxes is water and insect resistant. Cedar and Redwood are the two main types that are recommended for this type of outdoor use. You can also use Teak, but it’s more expensive. Plastic sheeting works well to protect the wood. For a cheaper alternative, you could use an empty compost bag, just cut it open and staple the bag to the inside of the box.Plastic sheeting works well to protect the wood. For a cheaper alternative, you could use an empty compost bag, just cut it open and staple the bag to the inside of the box. Treating the wood with a sealant, waterproof paint, or wood preservative will protect wooden planters from rotting.Using a sealant is one of the easiest and most effective ways to protect the interior of a wooden planter. Consider these options: Polyurethane sealant – Forms a protective, waterproof barrier. Marine varnish – Ideal for extreme weather conditions.
Do I need to line a wooden planter with plastic?
Adding a liner can: Extend the Life of the Planter Material – If you use wood for your raised bed, the liner can help protect it from moisture. It will slow down rot and decay. This is especially important if you have untreated or natural wood because it tends to break down faster than treated lumber. Usually, it is best to use a liner for control of water exiting the planter whilst retaining the soil. In raised bed situations, a liner is not necessary. The risk of water, causing issues weeping through panel joints is low.Adding a liner can: Extend the Life of the Planter Material – If you use wood for your raised bed, the liner can help protect it from moisture. It will slow down rot and decay. This is especially important if you have untreated or natural wood because it tends to break down faster than treated lumber.Landscape fabric liners are versatile and durable, providing good drainage and protecting roots from pests and diseases. They are suitable for all types of planters and are particularly useful in outdoor environments where conditions can be more variable.
Can I use untreated wood for a planter box?
The safest wood to use for vegetable container gardens is cedar. It resists rot and lasts a long time, but it is pricey. You can safely use other kinds of untreated hardwood to build raised beds, but your project will rot and warp in a few years, depending on the wood. There is scientific consensus that treated wood can be used for garden and vegetable beds. Current research confirms treated wood has no impact on plants and produce.