Step 1: Outline Garden Bed
Once you’ve decided where to build a new garden bed, mark the plot’s perimeter with spray paint or a sprinkling of flour. Removing the top layer of sod speeds up the process so you could be planting a little sooner, but it’s not necessary. You can just start adding your layers right on top of the grass.
Step 2: Build Your Layers
Spread a layer of newspaper six sheets thick so that the entire outlined space is covered. Using a garden hose, saturate the paper to help it break down. Plus, this will help it stay in place as you work. Next, spread 3-6 inches of compost on top of the paper. If you don’t make your own compost, find a municipal source or substitute commercially available topsoil. Now, just sit back and let nature get to work, breaking down the layers of newspaper and killing any grass and weeds underneath. If you are letting the bed sit over the summer and you have a long dry spell, you may want to add some water to your layers because moisture will keep the decomposition process going.
Step 3: Edge Bed
Add landscape edging around the bed’s perimeter to help keep turf grass from invading. Or, if you wish, you can use more decorative materials such as bricks, stones, or landscape timbers to enhance the look of your planting space. If the bed is large, such as a curbside garden between sidewalk and street, lay out paths before you plant. Your new bed will need 3-6 months to develop. To check if it’s done, use a trowel to dig down to the soil level. If you see any newspaper or turf left, let your plot sit for a few more weeks and check again. Once it’s ready for planting, you can install drip irrigation or a soaker hose before you add any flowers. Then you can sow seeds or transplant potted annuals and perennials to create a colorful display where you once just had a plain old lawn.