Untreated lumber isn't rot-resistant, but it's a good option for edibles. Measure and mark the length of the walls and cut the boards. Measure and cut 2 x 4s for corner posts to support the walls. Clamp together the boards for each wall. Drill pilot holes and connect all the sides with screws to form a box.
The depth of the bed can vary, but six inches of soil is a minimum. Plants need at least a 6–12-inch rooting zone, so 12 inches is ideal. Before you establish the bed, break up and loosen the soil underneath with a garden fork so that it's not compacted. Go about 6 to 8 inches deep.
Add soil. Fill the bed with a 50/50 mixture of planting soil and compost. (You can buy both in bags at a garden center, and you can typically save money by buying both in bulk at a local soil yard.) Once the bed is filled, rake the soil smooth and moisten it with a gentle spray from the hose.
Want to learn how to build a raised bed in your garden? Here's a list of the best. If you have a fenced yard, these boxes will look great against it. This is actually .
How to Build Raised Vegetable Garden Boxes. Building a raised garden box to grow food for your family is a fun project and a healthy way to provide produce.
Raised beds take very little space, and can be built right over a concrete patio. Drainage in a raised bed is superior to that in an in-ground garden bed.
