Wondering how often to water new turf after installation? Along with the question, can you overwater new turf, finding the balance on how much water and when are common queries we receive from people who’ve just laid (or are preparing to lay) instant lawn.
A new lawn is an investment in time, energy and dollars. It’s important to know how much water freshly laid turf needs to protect this investment. Adequate watering during the establishment phase is critical to the health of your lawn, so check out our handy watering tips to give your grass its best start in life.
How Often Should You Water New Turf?
When installing instant lawn, it’s important to get the slabs down as quickly as possible after proper site preparation and pre-application of a starter lawn fertiliser to the underlay. Once you’ve laid all your turf slabs, you’ll want to water your new turf straight away, ensuring the entire area has received a good soaking.
After this first deep watering, we recommend you follow these watering frequency guidelines for a healthy lawn:
- 1st & 2nd Weeks: 1-2 times a day for the first fortnight
- 3rd & 4th Weeks: Once every second day
- 5th & 6th Weeks: Twice a week
- 7th Week onward: One deep watering per week (this encourages deeper roots for better drought tolerance)
This is a starting point. During windy or hot weather, we recommend you increase the amount of watering. Similarly, if you have heavy rain, you can skip a session. Monitor the thickness and density of grass blades during the crucial first two weeks and beyond. If they start to shrivel or thin out, you’ll need to water more frequently.
Once the root system has developed, you can reduce watering to once a week, or less, depending on the weather and local climate, time of year and turf variety. A properly established lawn has the ability to draw on moisture deeper in the soil, which is key to how drought-tolerant varieties like TifTuf Bermuda can withstand long dry spells.
How Much Water Should You Give Newly Laid Turf?
Many customers are not sure how much water a new lawn needs. As we mentioned in our “How much to water your lawn” blog post, a great hack is to place some empty plastic containers (or “catch cups”) around your lawn. Continue watering until the water reaches 25mm up the side of the containers.
If you don’t have any spare containers around, another method to use is to time your watering. Water pressure can vary by a significant amount from house to house, but timing is still a handy rule of thumb. For this, we recommend you water for 1 hour for every 50m². So if you order 100m² of turf, you need to be watering at the bare minimum of 2 hours each day.
If you are using this rough timing method, it is also important to think about coverage. Soaker hoses are best as they keep the irrigation low and can be arranged to cover different areas. If you are using a traditional sprinkler, you’ll need to move it around to make sure the entire area is watered evenly.
You can also try the footprint test: walk across your turf. If the grass blades don’t spring back, your lawn is drying out and needs more water.
Can You Overwater New Turf?
It’s true that during the establishment phase, it’s better to err on the side of giving your turf more water rather than less. However, too much irrigation can create problems of its own. The roots should be moist but not soggy at all times until they’ve knitted down. However, oversaturated soil reduces oxygen around the roots, increasing the risk of fungal diseases.
Signs to watch out for include yellowing leaves, a spongy surface, or puddles that linger long after watering. To avoid this, make sure your turf is watered evenly and drains well. Use deep watering sessions rather than constant light sprays, and allow the top layer of soil to dry slightly between waterings. A balanced approach will give your newly laid turf the best chance to thrive and stay resilient against weeds and pests.
To get more advice on how much to water a new lawn or to order a new lawn call our team on (07) 3273 1166. You can also pop in and order in person at our sales office on 286 Brookland Rd, Allenview QLD 4285. The office opens Monday to Friday 7.30am to 4pm and Saturday 7am to 12pm.
Want Help With Your Turf Installation?
Begin your lawn journey the right way and remove any guesswork with our professional installation service. Our recommended installers can handle everything from site preparation through to first deep watering, so your freshly laid turf has the best start in the critical establishment phase. Learn more about our turf installation services or get a free quote today.
New Lawn Care Watering Guide FAQs
Why is early morning the best time to water turf?
Watering around dawn reduces heat-related evaporation, so the water soaks deep into the root profile instead of evaporating from the surface. This also allows the grass to dry during the day, which reduces the risk of fungal diseases. Your soil type will affect this too: sandy ground drains quickly and may need more water, while clay soil takes longer to absorb moisture, so water slowly to avoid runoff.
Which type of lawn needs the most water?
Lawns with finer leaves, such as most couch varieties, generally need to be more hydrated to stay green, especially under the Brisbane summer sun. However, TifTuf Bermuda is a standout among couches for its exceptional drought resilience, making it perfect for lawns with water restrictions. During winter, growth slows, and it requires very little water. Sir Walter Buffalo and Sir Grange Zoysia also have impressive drought tolerance. Keep in mind that all lawns need extra water during the warmer seasons.
How do I know how long to water new turf to ensure it has enough water?
Prior to establishment, apart from using catch cups or the footprint test, you can lift a corner of newly laid turf and check underneath. The soil should feel cool and damp but not muddy. A healthy new lawn will look green and upright; if the grass blades are wilting or brown, it’s a good indication your turf isn’t getting enough water.
Other than watering, how do I care for freshly laid turf?
In the first few weeks, your turf is in a delicate stage. Avoid mowing until the turf is fully established and can’t be lifted when you tug on it. A reel lawnmower is gentler on turf compared to a rotary style model, so if you have access to one during the early phase, that will be beneficial.
To give your new lawn the best start, mix a starter fertiliser into the underlay before laying. We recommend Lawn Solutions Australia’s Lawn Launcher product. This provides essential nutrients for stronger growth and the overall health of your lawn. Adding fertiliser to the new turf won’t be required for the first few months.
Is it better to use a hose gun, sprinkler or automatic irrigation system?
An irrigation system provides the most consistent water distribution and is ideal for large areas. If you don’t have one, a sprinkler is the next best choice, provided you move it around to avoid dry patches. For small gardens or to target certain areas, a hose with a trigger gun works well. To be sure your turf is being watered evenly, perform a simple water audit: place containers randomly across the lawn, run your sprinklers for 10 minutes, and measure the water depth, checking for consistency.
