The complete guide to lawn mowing

Avoid the common mistakes and have a long-lived healthy lawn.

There are numerous levels of care you have for your lawn, but we’re all too busy and want to have the best-looking lawn we can, whilst only putting in the minimum amount of time, money and effort into it as possible, right? You can buy the best lawn variety going, like DNA Certified Sir Walter Buffalo, but even this isn’t completely maintenance-free!

The good news is that improper mowing is one of the most common causes of lawn problems that can easily be changed. So follow the tips below to change your mowing habits and you’ll get a huge boost towards having your best lawn ever!

Correct mowing technique

Mowing seems simple enough, but each time you cut your grass you’re paving the way for your lawn’s success or failure… Mow correctly, and you’ll groom turf that’s healthy, drought-tolerant, thick enough to crowd out weeds and attractive to the eye. Mow incorrectly, and your lawn will struggle to survive. Common mistakes are mowing too infrequently and cutting grass too short.

Avoid scalping your lawn

Letting grass grow tall and then removing more than 1/2 the leaf blade is called scalping and can seriously damage your lawn. Mowing grass extremely low can also damage the lawn by cutting into the crown of the plants. A scalped lawn is vulnerable to diseases and weed infestation. Scalped turf tends to be weak and sparse, which exposes soil causing it to dry out. One of the No. 1 contributors to weed infestation is exposed soil that allows weed seed to take root and the shoots to get plenty of sunlight. Even the most weed-resistant lawn varieties like Sir Walter Buffalo turf needs to have a little length to keep the weeds out.

Sharpen your mower blades

Make sure your mower blades are sharp to cut cleanly. A dull blade tears grass, creating a jagged, uneven edge. These tears create openings for pests and diseases to enter grass blades. A lawn that has been cut with a dull blade can become discoloured at the tips because frayed grass blades lose moisture easily. Sharpen blades at least a few times during the mowing season. Reel type mowers only need sharpening roughly once a year, but adjust them to ensure they cut cleanly. Consider purchasing an extra mower blade, so you always have a sharp blade at the ready.

Adjust your mower height

Select the proper mowing height for your lawn. Measure the grass plants after mowing a very small area, then adjust your mower as necessary. Always mow your lawn at the recommended cutting height. For instance, shift the cutting deck higher in drought conditions and allow grass to grow longer. Taller grass develops deeper roots, helping to withstand dry spells better. Cutting heights should be raised during cooler months to aid photosynthesis with longer leaves and to minimise weed growth.

Avoid cutting wet or wilted grass

Mowing a wet lawn doesn’t harm the grass, but it doesn’t yield the best results. Wet grass fills and clogs a mower deck, leading to corrosion. It also tends clump together as you mow, creating an uneven cut as the wheels run over the offcuts. Cutting wilted grass, particularly during the hottest part of the day, can also cause severe damage to your lawn so it’s best to mow in the cooler parts of the day.

Always vary your mowing pattern

Try not to mow your lawn in the same direction every time. Shake it up a bit. When you mow in the same direction all the time you can compact the soil into actual ruts. Both compact soil and ruts can lead to grass that’s less healthy, followed by weeds that thrive in compacted soil.

Be gentle with damaged grass

Raise the mower height up a notch or two when mowing a lawn that’s recovering from drought, insect damage or disease. This gives your lawn a little extra length for better photosynthesis whilst it gets going again.


In conclusion, try to mow frequently so that you don’t inadvertently cut more than 1/3rd of the leaf blades off in one go. When in doubt keep the cutter deck higher than you think you need to and you will always have a healthy lawn that is free from weeds, diseases and pests.

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Sir Walter Buffalo

We are Sydney's favourite Sir Walter Buffalo turf grower. We'd love to transform your lawn with the best lawn that money can buy!

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AusGAP – The Australian Turf Accreditation Program – has been created for Australia’s leading turfgrass producers. It assures you that our turf meets a stringent set of quality standards.


I would like to thank Cobbitty Turf for your outstanding customer care and customer service.

Cobbitty Turf provided timely and helpful advice regarding not only inquiries I had in relation to the purchase of turf, but also provided me with details in relation to landscaping solutions.

Cobbitty Turf staff have been extremely attentive and have listened to all my concerns with a great deal of patience.

I would especially like to commend Danni for her professionalism.

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Excellent service and willing to go the extra mile. We ran short on 1 job and they delivered the extra grass I needed in no time. Fantastic grass and totally hassle free.

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Great product and even better customer service, could not recommend Cobbitty Lawn Turf enough with their excellent wealth of knowledge.

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I would like to thank Geoff and Danni at Cobbitty Turf for all of their help and expertise when it comes to providing the best service and knowledge for myself and my customers. They are a great asset for the local community and surrounding areas.

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