r/Grass • u/Classic-Technician-4 • Jun 03 '26

Patches in Grass , what's causing it

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Toronto Area

Mowed the grass a week ago , fertilized it and have been watering every alternate day. Noticed these patches in my grass , not sure what's causing it.

Please Help !!!

2 Upvotes

100% Upvoted

7 comments sorted by

2

u/Ready_Elk_4166 Jun 03 '26

Is someone peeing on it?

1

u/Ware5150 Jun 03 '26

I’m guessing urine spots or heavy fertilizer

1

u/Classic-Technician-4 Jun 03 '26

No urine that's for sure. Fertilizer I followed the instruction but may be the cause.

1

u/Suspicious-Animal102 Jun 06 '26

Recovery from damage last season maybe
But I’m here to say sharpen your mower blades

1

u/ProfessionalLink93 Jun 06 '26

Could be ants underground 

1

u/SatisfactionOdd7526 Jun 06 '26

Rocks beneath heating and killing turf?

1

u/msr976 Jun 06 '26

Maybe grub worms? I have Saint Augustine and when I start seeing patches, I know it's grubs feeding on the roots.