How to Design a Half Circle Stone Wall Garden


An appealing half-circle stone wall cordons off a section of a garden. Gardeners often make a raised bed behind the stone wall for flowers and plants. Place a half-circle stone wall against the edge of your garden, creating a buffer between the lawn and the fence. Any stones can be used to build the wall, but uniform gray blocks such as landscaping bricks are ideal for the purpose.

Things You'll Need

  • Landscaping bricks
  • Weed barrier cloth (plastic sheeting)
  • Gravel
  • Rope
  • Pete moss
  • Compost
  • Plants
  • Tape measure
  • Shovel
  • Find a nice area to build your half-circle stone wall for the garden. Look where it could be set against a straight edge such as a fence, wall or hedge.

  • Decide how long you want your cordoned off area to be and find the middle-point of the length. So, for example, if you were designing a stone wall garden 2 meters long, the middle-point would be 1 meter.

  • Measure a straight line out from the middle point. How far the line goes out depends on how big you want the wall garden. When you are happy with the length, put a peg in the ground. For a stone wall garden 2 meters in length, the peg should be at least a meter away from the flat edge you are building against.

  • Lay the rope in a half-circle, going from one end of the length to the other, and around the peg. Using the rope as a guide, dig a shallow trench about 8 inches deep to mark the outline of your half-circle stone wall garden. The trench should be 2 to 3 inches wider than the landscaping bricks you use.

  • Clear any weeds and debris out of the cordoned off area. Lay down plastic sheeting over the ground to act as a weed barrier. Make sure to roll out the weed barrier slightly beyond the trench to avoid coming up short later.

  • Line landscaping bricks along the length of the trench. Place the first bricks on top of the plastic sheeting to secure it into position. Start from the middle where the peg was positioned and work your way towards the edges. Make sure the first layer of landscaping bricks is firmly in position before starting to build the second level. Repeat the process until you have built up a stone wall to your desired height, around 2 feet high is suitable for a half circle stone wall garden.

  • Lay a few inches of gravel inside your walled garden. The gravel will set on top of the weed barrier and provide a bit of room for moisture to be stored.

  • Fill the walled garden up with a mixture of pete and soil, about 50/50. Shovel some compost on top, plant a selection of flowers or herbs, and you have designed your very own half-circle stone wall garden.

Tips & Warnings

  • As this is a dry stone wall there is no need to use mortar or cement to hold the landscaping blocks together. Do not build your dry stone wall any higher than 3 feet, however, as walls over this height have a tendency to become unstable.

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  • Photo Credit wall of stone image by mark humphreys from
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