Plants need enough water to survive. Irrigation is, therefore, essential for your garden. But watering your plants the traditional way is not only inefficient but also wastes a lot of water. That’s why a home garden irrigation system is an absolute necessity. But such systems require meticulous planning, and it is always advisable to put down the entire garden watering system design on a piece of paper first.


1. Measure and map your garden

Measure your garden and put down the measurements on a grid paper. Use the scale 1m squared is equal to 1 cm squared on paper to simplify things. Draw the map of the garden, and don’t forget to include obstacles such as trees.

2. Choose a water pump

You should design the home garden irrigation system first before you can decide which water pump to install. Ensure you install the right type and size of Onga water pumps. If the Onga pumps are not the correct size, they will not create enough pressure to move the water through the entire irrigation system.

3. Install the irrigation system

You will require the following irrigation supplies:


  • Hammer
  • Multi-grips
  • Pipe cutters
  • Sprayers
  • Measuring tape
  • Paper
  • Pencil
  • Ruler


  • 19mL poly pipe
  • 13mL drip tube
  • 4mL flexi-tube
  • Drippers


Installing sprayers

1. Lay down the poly pipe

Measure the poly pipe. Cut it into size, and pin it to the ground. Using a hole punch, make a hole in it.

2. Install the sprinkler

Push the 4 ml adapter into the hole. Push the stake attached to the sprinkler into the ground positioning it where you want the sprayer to spray. In case the sprinkler is not connected to a stake, you will have to use a metal riser in place of the stake.

3. Attach a flexible tube

In cases where the plants are too far from the sprinkler, you can use flexible tubes. First, detach the 4 ml adapter from the sprinkler. After cutting the flexible tube to size, take one of its ends and attach it to the sprinkler and then attach the other to the 4ml adapter. Finally, push the adapter back into the tube and position the sprayer in place.


Installing drippers

1. Lay down the poly pipe

First, measure the poly pipe and cut it to size. Lay it down in your garden pinning it in place. Using a hole puncher, punch individual holes behind each plant making sure the holes are on the side of the tube that faces the plant.

2. Cut flexi tube to size

Measure each piece of the flex tube to the right length and then cut. Make sure to cut a piece of it for each hole in the pipe. Each piece will extend from the dipper to the plant.

3. Attach the drippers

Attach one end of the flex tube to the adapter and the other to the drippers. Then attach the other end of the adapter into the pipe. Place each dripper next the plant’s base.

4. Installing a drip line

Drip lines work perfectly along hedges. Installing them is easy since the pipes come with perforated holes. Unlike the sprayers and drippers, there’s nothing to attach.

5. Cut the pipes to size

Measure the correct lengths of the drip line pipes and cut them to size. Pin down the pipes in your garden.

If you have a big garden or have particular plants that have unique watering needs, you may need to automate your entire home garden irrigation system. Automation will help you control which parts of your garden are watered and for how long.

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