This Is Why Your Lawn Has Brown Spots – Ag Matters

Is there anything more aggravating than busting your hump to have a beautiful lawn, yet there's one or two brown spots?  The reason may be grubs, and most likely they're the larvae of the hated Japanese Beetle.  The Master Gardeners at Cornell Cooperative Extension now is the time to fight back..

The Master Gardeners say grubs are the "larvae or immature stage of certain beetles." They chew the roots just below the surface, preventing the grass from getting water and food.  You'll first notice odd sized spots of your lawn turning brown, and it rolls back like a piece of carpeting.

Now is the time to to take action while the grubs are still close to the surface.  First find out what kind of grub it is and how many there may be.  Ten or more in a square foot is trouble.  Cornell's Integrated Pest Management website can help you identify them.  The video below will show you how to find them.

For more information about battling grubs call the Horticulture Hot Line Wednesdays and Fridays from 9:00am to 12:00pm at 315-736-3394.

SOURCE: Cornell Cooperative Extension