FAQ: How To Build A Redwood Planter Box?

Is Redwood good for planter boxes?

Redwood is a fast-growing species of wood, making it a readily available planter material. This wood is durable and resists weathering and rot, but requires sealing to prevent cracking. Like teak and cedar, redwood left unsealed will also turn a grey color.

Does a wood planter box need to be lined with plastic?

A wooden box may need drainage holes, depending on how porous it is without them. You can also use plastic to line your pots—a preferred method for planters used indoors—but make sure you punch holes through the plastic at the drainage hole locations.

What kind of wood should I use to build a planter box?

Redwood or Black Locust – Definitely the best option for raised garden boxes in terms of longevity because they are naturally rot-resistant and have been known to last up to 20 years. The con though is what you’d imagine — they are expensive! One of these types of wood will run you 3-4 times the cost of a cheaper wood.

Can you use redwood for raised garden beds?

The absolute ideal wood for a raised bed is redwood. It naturally lasts longer without rotting, and it looks beautiful for a long time.

How do I keep my planter box from rotting?

Peat moss mixed with vermiculite or sand is a perfect choice. Do not use garden soil as this is far too heavy and will compact together, therefore preventing adequate drainage. Sit your planter box on top of some bricks or pieces of wood to allow at least 2 inches of space for air circulation.

What do I put on the bottom of a raised garden bed?

The bottom of a raised garden bed should be a layer of grass clippings, leaves, wood chips, straw, and other organic material. The cardboard should be placed on top of that layer. The organic material will turn into compost, while the cardboard will prevent weeds.

Should I line my raised garden bed with plastic?

You can line your raised bed to make it more durable and to prevent toxics from leaching into the soil. For lining, use landscape fabric found at garden supply stores or cloth fabric from clothing. Avoid non-porous plastic, as it can retain too much water and discourage beneficial insects and worms.

Should I put rocks in bottom of planter?

In general, it’s not necessary to put rocks in the bottom of plant pots. One rock to cover the drainage hole is enough – just enough so that the soil doesn’t leach out of the bottom but water can flow freely through the pot. Putting rocks in plant pots doesn’t aid drainage or improve air circulation.

How do you waterproof the inside of a wooden planter box?

Line the inside of the wooden planter box with thick plastic. Thick, 6 mil polyethylene sheeting, commonly used for greenhouses, works well — but even a plastic trash bag can be used to waterproof the inside of the planter. For best results, fold the trash bag in half to double the thickness of the liner.

Can I use pressure treated wood for a planter box?

He stated in a bulletin titled, Treated Wood in Raised Bed Gardening, “Scientific evidence and data have shown that using pressure treated wood for raised bed or box gardening is safe to adults and children in terms of the plants grown and used in these containers.” He further explains, “All chemicals in consumer

What is the best wood to use for a raised garden bed?

In most cases, cedar is the best wood to use for garden beds because cedar is naturally rot resistant. Western red cedar is commonly used, but Vermont white cedar, Port Orford (yellow) cedar and Juniper are also high-quality choices for outdoor construction projects.

How tall should I make my raised garden bed?

The most popular height for raised beds is 11″. (This is the height of two standard “2 x 6″ boards, which actually measure 1.5″ x 5.5”.) This height provides sufficient drainage for most crops. For best results, there should be another 12″ or more of good soil below the bed.

Do you have to remove grass under a raised garden bed?

Raised beds are the ultimate in no-till gardening. Because you are literally constructing a bed from the ground up, there’s no need to dig into the soil to remove lawn and weeds. Over time, the grass and the newspaper will decompose, adding nutrients to the bed.

Should you line a raised bed?

Plants in raised beds can suffer more quickly and more severely from drought due to improved drainage, so keep an eye on watering needs. Modern wood treatments do not contain potentially harmful heavy metals, so are safe to use. If in doubt, line the inside of the bed with polythene.