Efficient Irrigation It’s easy to reduce the amount of water you use in your garden by up All of these systems can to 75% by choosing a system that reduces evaporation. The system you choose will depend on the type of garden you have. be operated automatically from a timer or Choose a system to suit your garden Always use irrigation components that apply water as close as computerised control box. possible to the roots of the plant and have a large droplet size. This reduces evaporation as the water doesn’t mist in the air. All new systems must be If you have narrow garden beds, or widely-spaced plants in the fitted with a rain/soil garden or in pots use a dripper irrigation system. Drippers moisture sensor under include both drip emitters that deliver water to the garden as single drops, as well as shrubblers, which release gentle streams of water Permanent Water Saving in up to a 1 meter radius. Rules. Pots can be easily watered with drip emitters. These will deliver a fixed rate of 2, 4 or 8 litres per hour. Rain or soil moisture Shrubblers are fully adjustable to deliver 0-50 litres per hour. They sensors automatically stop can be used in large pots and are the best choice for garden beds the watering when it’s because each shrubbler can be adjusted to deliver exactly the right amount of water to each plant. Shrubblers can be purchased on raining or if it has recently stakes that attach to the feeder pipe with 4mm tubing. The rained. shrubblers can then be arranged near each plant while the feeder tube can simply run down the middle of the system, under some mulch. You may need an in-line filter to stop your system from clogging, and on a slope, pressure-compensating drippers will be needed. If you have garden beds that are very wide or very long the most cost-effective method is to use a porous hose. Bury the hose under mulch, and water will drip from tiny holes along the length of the hose to deliver an even amount of water to the whole garden bed. What about my lawn? The most water-efficient gardens have little or no lawn areas as lawn often needs a lot of water. To provide a soft place for recreation you could plant some areas with low water-use grasses. Cool season grasses may brown off, but should turn green again with autumn rain. The most efficient way to deliver water to lawn areas is to use pop-up heads that throw water, rather than spray it.