Weed Control in a Centipede or St Augustine Lawn

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This article will help you to control weeds in of your Centipede lawn.
by Brett · Zone 5A · -20° to -15° F to Zone 11 · Above 40° F · Weeds and Invasive Plants · 2 Comments · August 30, 2010 · 10,979 views

Start By Identifying the Weed

The best way to have your weed(s) identified is to take fresh samples (sealed in a plastic bag) to your local nursery and garden center.

The simple definition of a weed is a plant that's not wanted, or at least not wanted where it's growing. Weeds are plants that are well-suited to the local climate and growing conditions, which makes them prolific and resilient.

How you eliminate or control the weed depends on whether it's an annual, biennial, or perennial. Annual weeds complete their growth in a single season and have shallow roots. Annual weeds should be destroyed before they flower and make seeds. Perennial weeds are harder to remove since they may have large taproots, rhizomes, or runners that are hard to get rid of completely. The tiniest piece of root remaining after pulling a perennial weed can produce a new plant.

Weed Alert is a website that has a massive listing of weeds broken down into regions. They have a weed database that allows you to first identify a weed from a thumbnail photograph. Problem is, there are thousands of types and varieties of weeds! But if you have some extra time on your hands and want to learn more about and identify the weeds growing in your landscape visit WeedAlert.com


Methods of Weed Control in a Centipede or St. Augustine Lawn


Preemergent Weed Control

Apply a granular weed preventer labeled for use on Centipede or St. Augustine grasses in late winter to prevent the emergence of spring weeds such as crabgrass. A mid to late Spring application of weed preventer can be beneficial to control summer weeds.

Post Emergent Weed Control

To kill existing weeds that have already emerged apply a postemergence herbicide that contains Atrazine. Though some products containing 2-4D herbicide are listed for use on Centipede and St. Augsutine grasses, we do not recommend using these products. Always use a product containing Atrazine. There are many types and brands of post-emergent herbicides. Take a sample of your weeds to your local nursery and garden center for identification and to get recommendations on what type of chemical to use. Apply postemergence herbicides only when weeds are present and avoid spraying during the transition period from dormancy to green up in Spring. Be sure the product is labeled for use on Centipede or St. Augustine Grass and always be careful to follow mixing and applications instructions on product label. Spot treating is always recommended.


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Emily Buffington

Emily Buffington · Gardenality Sprout · Zone 8A · 10° to 15° F
See you soon to purchase products...........and more plants.

7 years ago ·
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Gardenality.com

Gardenality.com · Gardenality Genius · Zone 8A · 10° to 15° F
I think if you get on the Centipede fertilization and weed prevention program you're lawn should look much better by this summer. It usually takes a year or so...a full cycle of the the program...to get that "weed-free" appearance, but the fertilization and weed prevention you'll do this spring should have you on your way.

7 years ago ·
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