Seasonal sprinkler run times
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Seasonal sprinkler run times
As the seasons change, so do the water needs of your lawn and garden. The table below shows the adjustments that should be made to your irrigation controllers ‘Seasonal Adjustment’ setting to avoid over watering. Using this schedule will save water and money and ensure your lawn will always look its best.
Sprinkler ban from 1st June to 31st August each year applies to home and business owners in Perth, Mandurah and parts of the South West and Great Southern regions. Hand watering and maintenance testing of bores is still permitted.
SEASONNyoongar seasonsTime of yearSprinkler Water AdjustmentIdeal Mowing FrequencyLawn Care (services can be applied)Other Services
| SUMMER | Birak Season of the young Dry and hotBurning time |
December | 100% | 2 weeks | Fertiliser, Wetting Agent | Core Aeration, Mulching |
|---|---|---|---|---|---|---|
| January | 100% | 2 weeks | Fertiliser, Wetting Agent | Core Aeration, Mulching | ||
| Bunuru Season of adolescence Hottest part of the year |
February | 100% | 2 weeks | Fertiliser, Wetting Agent | Core Aeration, Mulching | |
| AUTUMN | March | 85% | 2 weeks | Fertiliser, Wetting Agent, Insect & Grub Control | Core Aeration, Mulching | |
| Djeran Season of adulthood Cooler weather begins |
April | 75% | 2 weeks | Fertiliser, Weed Pre-emergent Control – Winter Grass | Core Aeration, Mulching | |
| May | 50% | 3 weeks | Fertiliser, Weed Control Broadleaf & Bindi | Core Aeration, Mulching, Gutter Cleaning, Garden Clean up | ||
| WINTER | Makuru Season of fertility. Coldest and wettest season of the year. More frequent gales and storms |
June | 0% | 3 weeks | Weed Control Broadleaf | Gutter Cleaning, Garden Clean up, Pressure Washing |
| July | 0% | 3 weeks | Weed Control Broadleaf | Gutter Cleaning, Garden Clean up, Pressure Washing | ||
| Djilba Season of conception. Mixture of wet days with increasing number of clear, cold nights and pleasant warm days |
August | 0% | 3 weeks | Fertiliser, Weed Pre-emergent Control | Core Aeration, Mulching | |
| SPRING | September | 50% | 3 weeks | Grub Preventative | Core Aeration, Pressure Washing, Gutter Cleaning, PH Soil Testing | |
| Kambarang Season of birth, Longer dry periods |
October | 75% | 2 weeks | Fertiliser, Wetting Agent | Core Aeration, Gutter Cleaning, Garden Clean up, Pressure Washing, Mulching | |
| November | 85% | 2 weeks | Fertiliser, Wetting Agent | Core Aeration, Mulching |
Sprinkler seasonal adjustment
Time of yearSeasonal Adjustment
| Jan – Feb | 2 days / week |
|---|---|
| Mar | 2 days / week |
| Apr / May | 1 day / week |
| Jun – Aug | System turned off (winter sprinkler switch-off) |
| Sept – Oct | 1 day / week |
| Nov – Dec | 2 days / week |
Sprinkler run time
Water before 9am to reduce the chance of lawn disease.
Sprinkler TypeRun Time per StationGear drive rotator30 – 40 minutes
| Pop-up/fixed spray sprinklers | 13 – 16 minutes |
|---|---|
| Rotary sprinklers | 40 – 60 minutes |
| Dripline sprinklers | 30 – 40 minutes |
Perth watering days
| Last digit of street or lot number | Scheme users 2 day roster | Bore owners additional day |
|---|---|---|
| 1 | Wed & Sat | Mon |
| 2 | Sun & Thur | Tue |
| 3 | Mon & Fri | Wed |
| 4 | Tue & Sat | Thur |
| 5 | Sun & Wed | Fri |
| 6 | Mon &Thur | Sat |
| 7 | Tue & Fri | Sun |
| 8 | Wed & Sat | Mon |
| 9 | Sun & Thur | Tue |
| 0 | Mon & Fri | Wed |
Perth rainfall comparison
Source: Water Corporation (https://www.watercorporation.com.au/water-supply/rainfall-and-dams/rainfall)
Visit Water Corporation for more information.
