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Grassy Weed Control

Grassy Weed Control

Grassy weed control can be very difficult and require a lot of attention and preventative steps. It is important to distinguish these from broadleaf weeds.  Here are some characteristics that separate grassy weeds from broadleaf weeds:

  • long, narrow leaves
  • parallel running veins (do not form a net-like pattern)
  • no colorful or extravagant flowers
  • similar leaf shapes among species
  • seed heads tend to be more spiked and can help differentiate between species.

The first step, however, is identifying the type of grassy weed you have and then understanding how to treat and prevent it. There are 3 major types of grassy weeds: winter annual weeds, summer annual weeds, and perennial weeds.

  • Winter Annual Weeds
  • Summer Annual Weeds
  • Perennial Weeds.

Grassy Winter Annual Weeds

Characteristics

  • These weeds germinate in late summer and early fall.
  • They can survive through the winter and will aggressively grow in the spring and die off by late spring/early fall
  • Click here to see examples of some winter annual weeds

Examples Annual Bluegrass (Poa Annua)

Prevention

  • The most effective treatment of winter annual weeds prevention by using pre-emergent herbicides.  You want to apply this in late summer/early fall to prevent them from germinating.  Mulitple applications may be necessary because winter annual seeds can survive years without germinating.
  • Click here to for pre-emergent herbicides

Treatment

Grassy Summer Annual Weeds

Characteristics 

  • Germination begins early to mid-spring depending on your location.  These grassy weeds will flower throughout the summer into the early fall where they are killed off on with the first frost.
  • Produce seed in mid to late summer

Examples: Crabgrass, Goosegrass

Prevention

  • The most effective treatment for summer annual weeds is the same for winter annual weeds: prevention.
  • Apply pre-emergents in early to mid spring.  A good indication to when to apply is when the temperature is 50-60 degrees for about 1-2 weeks

Treatment

Grassy Perennial Weeds

Characteristics

  • Season-long life cycles.  The cycles will vary from species to species so it is very important to properly identify before treatment.
  • Vigorous, invasive growth habits.
  • Could be a desired grass in an undesired around such as unwanted bermudagrass in your zoysia lawn

Examples: Dallisgrass, Quackgrass, and Bermuda grass

Treatment

 

 

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  1. Southern Broadleaf Lawn Kit
    $106.95

    This complete lawn starter kit will cover pre-emergent, post-emergent, and spot applications for a year long package for warm-season turf. It also includes Herbicide Helper to improve the wetting of the foliage.

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  2. Complete Lawn Starter Kit
    $105.25

    This complete lawn starter kit will cover pre-emergent, post-emergent, and spot applications for a year long package. It also includes Herbicide Helper to improve the wetting of the foliage.

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  3. Gly Pho Sel Pro Dry 75 SG - 5 lbs

    Starting at: $24.70

    Agrisel's Gly Pho-Sel Pro Dry 75 SG with 75% glyphosate, is a multi-purpose total vegetation weed killer. Gly Pho-Sel Pro Dry is a high quality, fast acting and systemic granular that starts working within hours. It kills on contact, burns down, and kills the roots as well, providing quick total vegetation and weed control.

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  4. Roundup Quikpro Herbicide

    Roundup Quikpro with the popular ingredient glyphosate is a post emergent herbicide that is non-selective, killing broadleafs, grass weeds, and trees.

    Glyphosate provides a quick kill as a systemic and total vegetation kill (non-selective). Another popular quality of glyphosate in Roundup is that it doesn't reside in the soil for a long time as some herbicides. Roundup Quikpro has the additional ingredient called Diquat (2.9%) gives you added speed in killing the weed.

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  5. quikpro roundup box

    Roundup QuikPro Non-Selective Herbicide Box of Five 1.5-Ounce Packets. It is very effective against most green vegetation, including hard-to-control plants, such as brush, poison oak and thistle. It is also the herbicide of choice for use around homes and gardens.

    The Roundup QuikPro Herbicides kills very quickly because of the dual active ingredients : Glyphosate and Diquat.

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  6. Eraser Max Herbicide-Gallon

    Starting at: $26.90

    Eraser Max is a concentrated formula of glyphosate and imazapyr that is very effective against many weeds, vines, grasses and trees. A single application will kill weeds for up to a year. Eraser Max is for use outside on non-crop areas, bare ground for total vegetation control, and spot treatment for weeds, grasses, vines and trees. It is perfect for gravel paths, fence rows, around barns and farm buildings.

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  7. Agrisel GlyPhoSel Pro 41%

    Starting at: $25.50

    Agrisel Gly Pho-Sel Pro is a systemic weed killer with 41% Glyphosate and 15% surfactant. It is a fast acting glyphosate weed killer that may be used by professional landscapers and homeowners alike.GyPho-Sel is a non-selective, post-emergent herbicide killing a wide variety of annual weeds, perennial weeds, woody brush and trees. See the product label for the complete list.

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  8. Roundup Pro Max-High Concentrate Glyphosate 48.7%

    Roundup Pro Max has a smaller molecule size and higher concentration of glyphosate (48.7%) than Roundup Pro. Roundup Pro and it's generic equivalents that contain glyphosate are well known as systemic postemergence herbicides.

    For those familar with Roundup Pro or it's generic Eraser (41% glyphosate), know they control a broad spectrum of weeds (annuals,perennials,woody brush and trees) with very little re-growth. However, Roundup PROMax gets to the root faster, so if it rains in an hour you don't have to worry. Roundup PROMax is rainfast in just 30 minutes.

    Visible signs of treatment may not be visible for 1-4 days in annual weeds, and up to 7 or more days for perennials. Signs include a gradual wilting or yellowing followed by complete browning and deterioration of plant tissue, and ultimate decomposition of the underground roots

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  9. Eraser Weed & Grass Killer - 41% Glyphosate

    Starting at: $17.50

    Eraser weed killer is a non-selective, broad-spectrum herbicide for annual and perennial weeds, woody brush, and trees. Eraser works as a post-emergent herbicide with no residual soil activity. As a non-selective herbicide, Eraser will kill grass, plants and weeds that are directly sprayed. It is relatively non-toxic to dogs and other domestic animals.

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  10. Alligare Glyphosate 5.4

    Starting at: $64.99

    Alligare's Glyphosate 5.4 has the same amount of glyphosate (53.8%) as Rodeo, and it is also labeled for aquatic, and noncrop uses. Glyphosate 5.4 is a non-selective herbicide that mixes with water and a nonionic surfactant. It is to be applied as a foliar spray to destroy many woody or herbaceous plants.

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