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Phil from Oklahoma writes

What happens if too much Monterey Weed Impede is applied?

Basically I'm an idiot and didn't calibrate my sprayer correctly...ended up applying Surflan (Weed Impede) at a rate of around 3.5 oz/1000 sq ft instead of 1-1.5 oz/1000 sq ft. How much of an issue is this with regards to my Bermuda lawn? Anything I can expect to happen or can do now? I wasn't planning on doing any seeding for around 6 months.

Answer:

Only time is going to tell if there is any effects from an over applciation of Monterey Weed Impede (Surflan Herbicide).  The only thing that can usually be done when an herbicide is over applied is applying an activated charcoal (liquid carbon) immediately after doing so.  You may have to delay seeding for at least 8 months from when you applied as it can last up to that time at a high rate and would not be able to apply again for at least one year.

Answer last updated on: 10/25/2019

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