Burnt Lawn and New Sod - Knowledgebase Question

Cincinnate, Oh
Question by pj60woodward
July 11, 2010
What can I do to bring back our lawn and new sod that was burnt by an application of Scotts Summer Turf Builder?? It was applied to freshly mowed lawn and watered for 2 consecutive days besause we hadn't had any rain. Any suggestions?


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Answer from NGA
July 11, 2010

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How aggravating! The fertilizer can eventually be leached by watering heavily and repeatedly. There's not much else you can do. Time will eventually solve the problem. Most likely only the grass blades were burned and the roots are okay and will send up healthy new blades. When using a drop spreader, it is better to measure the amount of fertilizer you need to use for the square footage you have to cover, then set the spreader on a very light application, and then go over the area repeatedly at the light rate until the fertilizer is used up. Be sure to follow the label instructions as to how much to use in total, because it is better to use the right amount or if anything, underfertilize than to overfertilize. Also change your walking pattern (eg up and down and then back and forth and then diagonally both ways) as you go to avoid accidentally leaving any lines or skipping places. By using a low rate and spreading in different patterns you will not overdose any particular area and you will still use the recommended amount of fertilizer. It takes a little bit longer, but it makes it nearly impossible to overdose any spots. For now, I'd simply water the lawn heavily and frequently (twice a week) to leach out the excess nitrogen. Some of the brown areas will recover and those that do not recover within the next 2-3 weeks can be raked out and reseeded. Best wishes with your lawn!

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