Use a hand trowel to remove the loose dirt, creating a small trench between the flower bed and the yard. Before you begin, you will need a pick, an edge tool or flat spade, a hand trowel, a small block of wood, a hammer or rubber mallet, a few wooden stakes, twine, and a garden hoe. Your email address will not be published. Use a tamper or your foot to compress the soil against the back of the stone. Another good thing about using limestone in your garden is that it is actually good for the soil’s pH level. Stacked layers of limestone are ideal for raised planter setup. Stylistically, limestone makes a great addition to any garden as its creamy tones provide a contrast in colour to earth and foliage, while its natural stone textures blend seamlessly with landscaping designs. While it directs the eye and creates a visually appealing frame, it also helps to prevent your lawn from running wild and spreading into your garden beds. Colors range from dark browns, black, tans, and subtle hues of red. Using Stone for Landscape Borders and Edging Lady Gardener Remodeling An abrupt end of dirt or mulch is usually the only indication of the border of a garden bed. A pallet of 120 pieces costs $690.