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bec
our home had instant lawn laid on sand! now dead due to lawn grub? what are best actions for renewing lawn?

Tearing my hair out here! the guy who did my lawn assured me that the sand would be fine for the instant turf to grow on but nothing left except weeds now and the netting from the roll out turf! I have sprayed with weed and feed and there are some small patches of grass (sown) near our patio area that still look ok but the beetles dont seem to disappear. I have tried one type of grub killer (not confidor), and it didnt seem to work. I never see any adult beetles though. Just the grubs.
I wonder whether the sand has encouraged the grubs and whether it needs to be all ripped out and started afresh?
We have just put in a raised vege and herb garden and I dont want them in there!! also as the grassed area backs onto a garden along the fences would the grubs be affecting the growth of these too?

Submitted: 04:34PM, 21 Oct 2013
Answer: Hi Bec,

Sorry to hear that you are having so many problems with your newly laid turf. I am not sure of when the turf was laid but hopefully it is not too late to save it.

Unfortunately it is difficult to know where to start as the lawn’s health needs to be improved first before chemicals should be applied. Then again, if curl grubs are present, the lawn needs to be treated otherwise the grubs will chew the roots of the grass that are existing. There is a new Yates product called Complete Lawn Insect Control which will control the curl grubs as well as the adult black beetle. It is available in a hose on container and the 500ml bottle will cover 150sq.metres of lawn area.

Once the curl grubs and beetle have been controlled, we would suggest that you apply a product called Uplift Organic Plant Starter & Root Booster Concentrate. This product will help to rejuvenate your lawn by improving the soil structure and stimulating the root development of the grass. Continue to apply this product every 2 weeks until you can see some kind of improvement at which point you can change over to Uplift Organic Liquid Fertiliser. This product will ensure that your grass will continue to grow at a strong rate. Keep your grass well watered to get it through the hot summer months ahead. At the end of summer/autumn, apply an organic fertiliser Dynamic Lifter for Lawns. Because the pellets are granulated, it will allow the nutrients to filter through to the grass roots, get them growing strongly and at the same time enrich and promote healthy soil.

With regard to your question as to whether the curl grubs are likely to be in your garden beds, it is possible so it may be necessary to dig over the beds. If curl grubs are seen, they can be dug up and disposed of.

I am sure with a little work and TLC you will soon see an improvement and once again have a lawn you can be proud of. Good luck.

http://www.yates.com.au/lawn/

Answered: 03:28PM, 25 Oct 2013

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