weeds - Knowledgebase Question

Moro, OR
Question by scjd
July 20, 2007
What is the best way to get a grip on our awful weed problem in our yard? We've done Weed and Feed twice; made it green and lush, but didn't affect weeds. Yard was negelected for about 5 years before us. Thanks!


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Answer from NGA
July 20, 2007

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It sounds as though a major renovation is in order! Weed and Feed should take care of the weeds in your lawn. If it didn't, the weeds are either firmly established with big, huge roots, or you didn't apply in the correct amounts. It's also possible that you have such a thick layer of thatch that the herbicide couldn't penetrate into the soil to kill the weed roots. In any case, I'd suggest redoing the lawn this fall. Try digging out the largest, most tenacious weeds. Then start the renovation process by power raking (you can rent aerators or power rakers at most garden centers). These heavy duty machines will help pull out the thatch and will roughen up the soil to receive new seeds. Once you've raked the dead stuff out, you can broadcast grass seeds over the entire lawn. When the new grass is up and growing strong, you can use weed and feed to get rid of the remaining weeds. Next spring put your lawn on a regular watering and feeding schedule (April, June, September and November). The result will be a thick, lush lawn that will crowd out most weeds.

Good luck with your project!

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