The Q&A Archives: weeds

Question: I did scotts early spring and late spring when it said to do it and i just did summer today. I still have alot of weeds all over my lawn. what do I do now? they are multiplying every day.

Answer: The best way to beat weeds is to maintain a healthy turf grass. Correct mowing can be very helpful in getting the grass to grow thicker: set the blades high at three inches and mow often enough that you do not remove more than one third the grass height when you cut it. This can mean mowing more often than once a week when the grass is growing fast. It is a good idea to run some basic soil tests and check fertility and soil pH levels. Then fertilize and/or apply lime as indicated by the test results. This will encourage healthy grass growth, enabling it to crowd out weeds. Next, you may need to do some core aeration and top dress with good quality compost to allow air and moisture to penetrate the soil and to encourage healthy grass roots. The more you can do to enhance the growing conditions for the grass, the better it will outcompete the weeds. Finally, you can spot treat perennial weeds using an herbicide containing glyphosate. Read and carefully follow all of the directions on the label. If you need to overseed, late summer to early fall is the best time of year to do that. In the meantime, steps you take to correct fertility and pH with the lime will help in preparing for seeding. Good luck with your lawn!

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