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Belinda from New Orleans writes

Can Evergreen Pyrethrum Concentrate kill St. Augustine grass?

I mixed the product in a gallon hand held sprayer and sprayed on my lawn for a web worm problem and the grass has turn brown and dry and appears to be dead. What should I do!!!

Answer:

Evergreen Pyrethrum Concentrate should not cause damage to the lawn unless it was under stress or the temperatures were really high when applied and too high rates were used. If this just happened sometimes adding charcoal and watering regularly could help but it has to be done right after it happens. Now you can water and basically give it time and see if it can recover. 

Answer last updated on: 10/17/2021

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