How to make a natural drainage ditch

Written by michelle keefe
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How to make a natural drainage ditch
Digging manually may be tiring. (Jupiterimages/liquidlibrary/Getty Images)

Excess water can erode landscaping, damage home foundation and create a very muddy and messy situation for a homeowner. To prevent water build-up and collection in a garden, create a drainage ditch that will naturally allow excess water to flow away from the yard and home. A drainage ditch creates an avenue or pathway for water to flow, which corrects the issue of standing or collecting water. To create the best flow of water, the best angle for a drainage ditch is downhill or sloping to create a gravitational pull to flow the water away from the yard. A drainage ditch can be left with a gravel or stone bottom or can be planted with grass to disguise the ditch if desired.

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Things you need

  • Shovel
  • Garden hoe
  • Wheelbarrow
  • Large stones or gravel
  • Landscaping cloth

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Instructions

    Digging a drainage ditch

  1. 1

    Remove grass, plants and vegetation from the path of the drainage ditch. Use the shovel to clear the top of the ground or a hoe to help remove tough rooted grass or plants.

  2. 2

    Dig the drainage ditch using the shovel. When digging, place the removed soil into the wheelbarrow for use later, do not discard the soil. The ditch needs to be 30 cm (1 foot) wide and starting at 30 cm (1 foot) deep at the highest point of the ditch. As you progress in digging the ditch, it must slightly slope downward. Remember to keep the ditch sloping downward for proper drainage of water.

  3. 3

    Line the bottom of the ditch with the large stones or large-sized gravel. If using gravel, make certain the gravel is big enough that the water can't move it and create a blockage. The stones or gravel will prevent the water from eroding the bottom of the ditch and enlarging or deepening the ditch.

    Planting over ditch

  1. 1

    Lay a flat, thin layer of landscaping cloth over the stone or gravel bottom of the drainage ditch. This step is only required if you plan to plant grass over the ditch to disguise its appearance.

  2. 2

    Create a 2.5 cm (1 inch) layer of soil over the landscaping cloth. This soil can be new potting soil or can simply be soil that was removed when digging the ditch.

  3. 3

    Seed the soil with grass seeds and water. The grass will grow over the drainage ditch. Because the ditch still has pitch and slope, water will flow away from the garden and home, but the drainage ditch will be less obvious in the garden.

Tips and warnings

  • If not planting over the ditch, the soil removed in creation of the drainage ditch is great to save and use in gardens or to level other areas of the garden or property.
  • For the drainage ditch to function properly, the highest point of the ditch should be the area where water is standing and the lowest point of the ditch is where the water will drain.
  • If the garden does not have a natural slope, the drainage ditch will need to be dug to create a natural slope for the water to drain properly.

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