• Lawn with brown patch disease

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Brown Patch

Brown patch is a fungal disease of lawns causing small discoloured patches that grow to large patches of dead grass.


Brown patch is a fungal disease affecting the roots of lawn grasses. Symptoms begin with small areas of discolored grass and spread to brown off and kill areas up to 1 metre. Examination of grass roots will show roots turning black.


Apply Thiram Fungus Control. Dilute 15 g Thiram in 10 L of water, spray at a rate of half a litre per square metre. Repeat as necessary every 7-10 days.

For small patches you can spot spray with PLANThealth Rose Force.

Then apply LawnPro Smart Patch Mix, LawnPro Lawn Thickener or LawnPro Smart Lawn Seed to repair the lawn and fill in patches of dead or affected lawn.

Did you know

Brown patch disease in lawns is caused by Rhizoctonia species fungi.


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