Spring Lawn Renovation: Dethatching Your Lawn

Spring Lawn Renovation: Dethatching Your Lawn

Welcome to this week’s Spring turf tip. Have you been looking to start your Spring lawn renovation and have no idea where to begin? Dethatching will be the key place to start on your lawn.

Why dethatch your lawn?

Dethatching Your Lawn Thatch

Thatch is a build-up of dead grass and root systems in your lawn. Thatch is a normal and crucial part of any lawn, providing protection for your lawn from traffic. But, when built up it will cause havoc to a happy and healthy lawn.

When your thatch levels are built more than 25mm this will stop your lawn from getting the nutrients it needs. Key things such as air and water will be stopped from reaching where it is needed most. Thick layers of thatch will also allow more attacks from fungi and pests.


Tools you will need

  • Lawn dethatcher or lawn scarifier
  • Mower
  • Wheelbarrow
  • Rake

Dethatching your lawn

Basic dethatching method: mower

Dethatching Your Lawn Mowing

A simple method of dethatching your lawn is with a mower. Set your mower to a lower setting, low enough to scalp your lawn. Once this has been done we would recommend using a rake to remove the thatch and to remow the surface to collect extra dead lawn matter.

After scalping, apply a slow-release fertiliser such as Lawn Solutions Premium Fertiliser and water in. This fertiliser is suitable for all turf varieties. Alternatively, we suggest applying a pre-emergent fertiliser like OxaFert. This method is perfect for varieties such as Sir Walter DNA Certified as its thatch layer and runners are above the soil level.


Professional dethatching method: lawn dethatcher or scarifier

Dethatching Your Lawn Dethatcher

You can hire professional lawn care equipment such as a lawn dethatcher or scarifier from your local equipment hire shop.

These are perfect for varieties like Sir Grange Zoysia, TifTuf Bermuda and Nullarbor Couch as they have underground runners. Though you can also use a dethatcher or scarifier on Sir Walter DNA Certified, making sure not to go too low.



For more advice on dethatching your lawn call our team on (07) 3114 8281. You can also to pop in and order in person at our sales office on 1/243 Bradman Street, Acacia Ridge. The office opens Monday to Friday 7am to 5pm and Saturday 7am to 12pm.

For more great turf, tips keep an eye on our website and all our social media channels.

 

2 comments

  1. Ideally How thick should Sir Walter be kept at?Can you successfully dethatch Sir Walter using a normal motor mower no matter how thick the lawn is?If ok,would you cut it at different heights until you reached the desired thickness?

    1. Shane Bridges

      The only way to dethatch Sir Walter is with a normal mower, as a dethatching machine will just rip out the runners.

      So yes you would drop the blades as low as possible to scalp it back and then raise the blades till you find the height you like.

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