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As the seasons turn colder and your lawn turns to a dormant or semi-dormant state, it is important to get on top of what may be a future infestation. Lawn grubs or beetles are a major pest that can cause untold damage to your lawn. Thankfully they are (much like your lawn) mostly dormant during the colder months, but it’s never too early to ensure your lawn is as healthy and pest free as possible.
The lifecycle of a lawn grubs is relatively straight forward, the warmer months (starting around September) promoting eggs and larvae, with the colder months (beginning around May) killing off the young and leaving the adults to lie dormant. The pupal stage is not too much of an issue, however, the larvae stage is when they begin to feed on the roots of your lawn and start to cause serious damage. Root feeding grubs are sometimes known as white curl grub, scarab beetle larvae, lawn beetle larvae or cockchafer and are regularly mistaken for the Aussie icon: the ‘witchetty grub’.
Now, not all lawns are at risk of major damage from these lawn grubs. Fescue, Kikuyu or Couch varieties are particularly susceptible to lawn grubs, with large scale infestations sometimes causing irreparable damage if not treated in a timely manner. Conversely, buffalo varieties can benefit from small scale infestations as the aeration of the soil promotes more vigorous growth. Naturally, the larger the infestation the greater the opportunity for long term damage so ensure you are keeping a close eye if you are trying to get the grubs to do the aeration dirty work for you.
Unfortunately, lawn grubs have impeccable taste. They will often only go for the healthiest and most lush lawns, so if you pride yourself on your green patch ensure you are being vigilant in your preparedness. Prevention is always the best way to ensure your lawns health, and lawn grub prevention is a relatively straight forward process. A well aerated and healthy lawn will naturally be more resistant to damage and bounce back quicker if infested. Additionally, when mowing set your lawn height a little longer than normal. Lawn grubs love planting their eggs right at the soil so longer leaves will deter them from laying in your lawn. Birds also love the juicy larval grubs, so planting flowers and plants that promote native birds to frequent your backyard can greatly help remove the pesky grubs.
If you do have an infestation and want it cleared out ASAP, the best option is to use a pesticide that contains Chlorpyrifos. Chlorpyrifos can be found in many easily available insecticides and is incredibly efficient in the treatment of lawn grubs. You should exercise caution when using any product with Chlorpyrifos however, as it can be toxic to both children and animals. To try and combat this, it is recommended that you apply these kinds of insecticides in the late afternoon, as well as keep a watchful eye over your lawn to try and prevent any unfortunate accidents post application. Additionally, when laying turf consider adding some chemicals or products which are natural grub repellants, however most only last for 3-6 months so ongoing prevention is paramount.
Lawn grubs can be a frustrating pest, a lawn killer or sometimes even a minor lawn help. Thankfully, prevention is a process that should fall easily within your regular lawn maintenance routine and will help ensure a lush green lawn in every season. Give Rosemount Turf a call for further assistance.
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We understand that COVID-19 (Coronavirus) is having a significant impact on all Australians and that it is a difficult and unprecedented time at the moment. We wanted to assure you that health and safety are the top priorities for Rosemount Turf management and staff. There are certain measures that we have put in place to ensure that our customers and employees are safe. We are being vigilant with our office and ensuring all surfaces are sterilised and cleaned regularly.
We would like to remind you that orders can be made online or over the phone and paid for via credit card, so no cash handling is needed. We can arrange delivery and the placement of your turf over the phone with our administration staff when you purchase. You don't need to be home when it is delivered.
If you have any further questions regarding any of our safety policies that we have in place during this time, or would like to discuss some new turf, give us a call on (07) 5448 6398.
Rosemount turf along with Lawn Solutions Australia is reaffirming our commitment to consumers with our ability to produce and deliver high quality turf products to consumers. No contact is required during the ordering or delivering process.
