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Bill from Newburgh, In writes

How often should Gordons Ornamec 170 Grass Herbicide be reapplied to kill bermudagrass?

Is it best to use a hose end sprayer or pump sprayer?

Answer:

Gordons Ornamec 170 Grass Herbicide applications and repeat treatments will depend on if you’re targeting bermudagrass in a zoysiagrass or tall fescue lawn.  For example, if treating bermudagrass in tall fescue – the product label states to make applications in spring and fall, starting applications after spring green up. Take caution with treating in the months of July & August on tall fescue as this can injure the fescue. Repeat in 14 to 21 day intervals if regrowth occurs. Keep in mind, bermudagrass is very difficult to eliminate and can take 1-2 growing seasons to see full results. View page 2 of the product label for application rates and for more information. 

Answer last updated on: 09/03/2022

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