Weed control - Knowledgebase Question

Spring Hill, fl
Question by tanyachor
March 23, 2007
Hello! I put Scotts Bonus Max at my lawn but now I have more weeds even. What weed control product could I use now and when? Also I have to resod some places. So what weed control product could I use before resoding?
Thank you


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Answer from NGA
March 23, 2007

0

If you have a St. Augustine lawn, you can use Adrazine, available at your garden center. For Boehm, Bermuda, and Zoyza, use a 2, 4D product.

2,4-D is one of the more useful herbicides available to the homeowner. This herbicide is selective for broadleaf weeds, meaning it will not affect grasses, even grasses that have wide blades. This makes it useful to control such weeds as dandelions, plantains, knotweed, pigweed, and many others.

It is a systemic herbicide, which means that it is absorbed into the plant tissue and transported throughout the plant, including into the root system. 2,4-D works well on many deep-rooted weeds, though certain weeds with very deep roots, such as field bindweed (the morning glory weed) or Canada thistle, may require repeated applications or a different herbicide.

For those weeds, spot applications of a glyphosate herbicide (e.g. Roundup) or dicamba (e.g. the Trimec products) may work better. 2,4-D will not affect grasses (including weedy grasses), but it can damage or kill other desirable plants such as garden vegetables, flowers, and ornamentals. Take care not to let 2,4-D drift onto those plants, or to accidentally spray them.

Two advantages of 2,4-D are that it is of relatively low toxicity to humans in the formulations available to homeowners, and it breaks down quickly in the soil.

Best wishes with your lawn.

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