Efficient Irrigation

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					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

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.

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