The Q&A Archives: New Lawn, Old Bindweed

Question: Last fall I decided to start the entire lawn over because the previous owner did not take very good care of it and let it run wild. As spring turns to summer I love the new established grass. The weeds that once occupied the entire backyard are virtually gone. The one thing that remains is the fast growing bindweed. The long tendrils grow 4-5 times faster than the grass between mowings and seems to be thriving. Everything that I have read about this noxious weed says that its root system runs very deep and that it spreads quickly but it doesn't like the competition with the lawn grasses. Mine doesn't seem to be phased by the new lawn. Is there anything I can do to suppress its advance?

Answer: How disappointing for you! Studies show that persistently pulling bindweed is the best control strategy. Bindweed produces enough energy to start strengthening the roots when it reaches the six-leaf stage, so never allow plants to produce more than six leaves. Pull them as soon as you recognize them. Eventually you'll starve out the roots of the pesky plants.

According to Kansas State University, "Homeowners can use a combination lawn herbicide containing dicamba such as Trimec, Weed-B-Gon or Weed-Out" to gain control over bindweed.

Best wishes with your lawn!

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