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Frequently Asked Questions - Watering Lawns and Gardens

Frequently Asked Questions - Watering Lawns and Gardens
  1. How often should I water lawn seed during germination?

    The amount of water required depends on:

    • Soil type 
    • Wind 
    • Temperatures

    Generally three waterings per day if no rain, with a fine hose attachment so you don't wash the seed away or into clumps, keeping the top 2cm moist at all times.

  2. When is the best time to water my lawn and garden?

    Ideally water early morning.  Particularly with lawns this is the best time to water as night waterings can cause fungal problems in certain varieties and most grasses don't like to get what we call "wet feet". However, common sense must prevail, if you can't water in the morning of course water at night.

    TIP : To check if your lawn needs to be watered, tread firmly on the grass. After removing your foot, if the grass doesn't spring back and lays flat this is an indication your grass needs to be watered.  If the grass springs back then it doesn't need to be watered.

  3. How do I save water and keep my garden alive, following water restrictions?

    Watering once a week in summer is sufficient for most warm season lawns. For effective watering, water your lawns & gardens early morning and avoid when windy and hot.

    Deeply penetrating irrigations that wet the soil to a considerable depth encourage deep rooting and result in a more vigorous, higher quality turf. When I say longer watering, I mean the approximate time it would usually take to fill a shallow container up to 2.5 cm. (This will naturally vary due to water pressure etc).

    Fertilise lawns 3-4 times a year, this will produce a strong, healthy root system which will enable lawns to survive under stressful conditions a lot longer than a lawn that is never fertilised. The same goes for garden plants. Keep these fertilised; particularly with organic type fertilisers and they too will respond. The use of wetting agents will also help your garden & lawn and reduce your current water bill.

    Eradicate weeds, as they soak up more water. Mulch garden beds wherever appropriate with Munns Water Saving Mulch (available SA only) to restrict evaporation. 
    Use sprinklers with a low projectory or dripper irrigation systems to efficiently & effectively water your lawns and gardens. (Check with your state's water restrictions)

    Water Restrictions and Rebates

    Munns understands the importance of water restrictions and water preservation. 

    In this section we have listed restrictions and rebates for individual states. We also have some useful websites, which you can visit for further information. Buying some of Munns products can entitle you to claim rebates from individual state water bodies. Please look out for the “drop“ which depicts that purchasing this product can allow you to get a rebate*.

    •    Individual state water bodies have individual rules for claiming rebates on water saving products.

    Please read on individual websites to find out whether a rebate can be claimed on your purchase. Please scroll down for state specific restrictions, rebates and other helpful information.

    South Australia

    All around our State, householders and businesses have made huge efforts to conserve precious water. Because of this, as well as plentiful winter rains across most of Australia, water restrictions were eased in December 2010 and Water Wise Measures came into place.

    Areas previously subject to Permanent Water Conservation Measures including the State’s South East and Kangaroo Island are also covered by Water Wise Measures. The measures also apply to customers in Whyalla and Port Pirie.
    Domestic gardens and lawns 
    Watering is permitted at any time by hand (through a hand held hose fitted with a trigger nozzle, from a watering can or bucket or through a drip feed irrigation system. Sprinklers can be used on any day after 5.00pm and before 10.00am.

    New South Wales

    The Water Wise Rules are:
    • Watering, including with sprinklers and irrigation systems, is allowed any day before 10 am and after 4 pm to avoid the heat of the day. 
    • All hand held hoses must have a trigger nozzle. 
    • No hosing of hard surfaces such as paths and driveways. Washing vehicles is allowed. 
    • Fire hoses may be used for fire fighting activities only. 
    The Water Wise Rules are simple, common sense actions that apply to all Sydney Water customers in Sydney, the Illawarra and the Blue Mountains. This includes residents, businesses, local councils and government agencies.
    Sydney Water encourages the community to use their common sense when applying the Water Wise Rules. For example; 
    • Wash your car on the lawn wherever possible.  
    • Avoid any form of outdoor hosing between 10 am and 4 pm to avoid the heat of the day, when evaporation is high. 
    • Use a broom to clean up leaves, grass clippings, dirt, dust or general litter on paths or driveways instead of hosing. 
    Being water wise makes good sense. Water efficiency, together with with more recycling projects and desalination coming on line, means greater Sydney is in a stronger position to secure water for life. 


    Permanent Water Conservation Measures currently apply in the ACT and Queanbeyan and are mandatory and enforceable. Anyone found in breach of the restrictions may be liable for fines started at $200 for an individual or $1,000 for a corporation.

    A hand-held hose fitted with a trigger nozzle, a bucket or a watering can may be used to water lawns and plants at any time. Sprinklers and other irrigation systems may only be used to water lawns and plants before 9am and after 6pm on any day from 1 September to 31 May (inclusive).
    At all times lawns and plants may only be watered without causing pooling or run-off. 

    For more information please visit the below website.


    Permanent water conservation measures apply to all SEQ areas, including Brisbane City, Gold Coast City, Ipswich City, Lockyer Valley Regional Council, Logan City, Moreton Bay Regional Council, Redland City Council, Scenic Rim Regional Council, Somerset Regional Council and Sunshine Coast Regional Council.

    Permanent water conservation measures have been in place in South East Queensland (SEQ) since December 2009. Under the measures:
    • hoses with a twist or trigger nozzle and efficient sprinklers can be used to water gardens and lawns (but not from 10am to 4pm or on Mondays), as long as it's in accordance with efficient irrigation guidelines
    • vehicles and outdoor areas can be washed at any time, as long as water is used efficiently
    • new pools can be filled with town water and existing pools can be filled as long as efficient fittings are in place
    • rainwater can be used at any time.
    Residents are also encouraged to continue to use less than 200 litres per person per day.

    For more information please visit

    Western Australia

    Scheme Water Users -

    Scheme water users in Perth, Mandurah and towns south of (and including) Kalbarri and Kalgoorlie can use their sprinklers either before 9 am or after 6 pm, two days per week based on the last digit of your house number. Where there is no house number, the lot number is to be used. 

    Towns north of (and excluding) Kalbarri and Kalgoorlie can use sprinklers every alternate day either before 9 am or after 6 pm, based on the last digit of your house number. Where there is no house number, the lot number is to be used. 

    From time to time some parts of the State will experience unusually dry periods and may be subject to temporary water restrictions.

    For further information visit, 


    Currently in Victoria you are on level 1 restrictions. The 28-Day Exemption – to transition to warm season grass provides Melbourne residents with the ability to apply to use potable (drinking) water to establish warm season grass. For more information on warm season grass please refer to


    There are currently no water restrictions in place in Tasmania please refer to the link below for more information. 

    Northern Territory

    There are currently no water restrictions in place in the Northern Territory, but as some of the highest water users in Australia there is a real need for Territorian's to conserve water. 

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