Dallisgrass and Broomdsedge are perennial weeds that can be extremely difficult to control in residential lawns. Because there are limited turf-friendly products on the market to address these two weeds, we suggest that clients consider one of these two options in order to speed up the process.
The first option is to manually dig up the weed. In this method, simply take your shovel and work your way around the weed removing roughly 4-8’’ of the soil below the weed. It’s important that you remove as much of the root system as possible. This will leave a hole in the lawn, so we suggest going back with fresh topsoil and a light layer of sand. Bermuda and Zoysia turf will fill back in this area naturally.
The second option is to use a non-selective weed killer. It’s VERY important to remember that this product will also kill the turf, so please be extremely careful. Today, we have a pre-mixed can of weed killer that you can find at your local hardware store. Place the wand close to the plant base and apply a small amount of the product. We suggest starting off conservatively and re-applying in about a week depending on the results. You may find that parts of the turf around the weed decline but they should recover quickly with proper watering and mowing. This technique often takes more than one application. It’s also a good idea to try this on a few weeds to ensure you are not over-applying as over-application can cause severe damage to the lawn.
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