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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. Hi-Yield Weed and Grass Stopper -12 lbs #33030

    Starting at: $24.95

    Hi-Yield Weed and Grass Stopper (contains Dimension Herbicide) Learn More
  2. Blindside Herbicide

    Blindside is designed particulary for warm season turf for post-emergent tough weed problems like St. Augustine grass. Blindside acts quickly as a post emergence herbicide on over 70 weeds and sedges, including resilent weeds like Dollarweed, Ground Ivy, Doveweed and Buttonweed.

    Blindside Herbicide is formulated as a WDG (Water Dispersible Granule) containing 0.66 lb of active ingredient per pound of product.

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  3. Fusilade II Herbicide

    Fusilade II Turf and Ornamental Herbicide

    Fusilade II is a convenient and perfect choice to kill unwanted grass without injuring desirable broadleaf plants, conifers, newly emerging ornamentals and recent transplants. Fusilade II Turf and Ornamental Herbicide is a post-emergent herbicide that works on selected unwanted annual and perennial grass weeds in landscape and turf areas. As a fast acting and systemic herbicide, it moves all the way to the roots, shoots, stolons, rhizomes and growing points of treated plants. Use Fusilade II in such areas as around trees, shrubs and groundcovers to get rid of unwanted grassy weeds.

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  4. Bonide's Weed Beater Complete Granules

    These herbicide granules are truly complete.  It works as both a pre and post emergent herbicide and control sedges, annual grass and broadleaf weeds. Prozone Weed Beater Complete performs in both cool and warm weather.

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  5. Solitare Herbicide
    $137.95

    Solitare Herbicide is a powerful selective post-emergent herbicide which controls broadleaf weeds, annual grasses, and sedges. It is labeled for control and suppression of over 60 weed varieties in both cool season and warm season grasses

    Solitare Herbicide reduces the capability of weed reproduction for the current season. It also decreases weed populations in the seasons that follow by impacting the viability of the seeds. All of this is accomplished while providing an excellent margin of safety for desirable turfgrasses.

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  6. Ornamec Herbicide + Aqua-Zorb Wetting Agent

    Gordons Ornamec Over-The-Top Grass Herbicide is a selective post-emergent systemic herbicide that will provide an excellent control over unwanted grasses in and around groundcovers, shrubs, trees, landscape beds, container yards and grower nursery fields. It is a specially formulated liquid herbicide that uses Fluazifop-P-butyl as its active ingredient to help control unwanted annual grasses and perennial grasses such as panicum, crabgrass, goosegrass, foxtail, sandbur, barnyardgrass, bermudagrass, quackgrass, torpedograss and johnsongrass. It also offers selective removal of bermudagrass without injury to tall fescue and zoysia turf. It can treat a majority of ornamentals on the label with over-the-top application. It may be used around newly-emerging plants as well as transplants and it guarantees fast and efficient action. Comes with a mini bottle of surfactant. Learn More
  7. Sedgehammer Plus

    Starting at: $13.50

    Sedgehammer Plus comes in convenient packs to mix with water as a post-emergent, selective herbicide to control sedges such as yellow and purple sedges, Kyllinga species and some broad leaf weeds.  Sedgehammer Plus also contains a dry, non-ionic surfactant to increase efficiency for the best results.

    Sedgehammer Plus may be used on both cool-season and warm season turf grasses such as Bluegrass, St. Augustine, Fescue (find and tall), Bermudagrass, Centipede, Perennial Ryegrass and more.

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  8. Weed Out  with Crabgrass Killer-32 oz

    Starting at: $17.70

    Ferti-Lome Weed-Out with Crabgrass Killer (previously called," Fertilome Weed Out with Q") still has the same triple formulation of 2,4-D, Quinclorac, and Dicamba to get rid of tough weeds such as crabgrass. Ferti-Lome's Weed Out with Crabgrass Killer also controls broadleaf and grassy weeds such as Barnyardgrass, Black-Eyed Susan, Buttercup, Catnip, Chickweed, Dandelion, Dollarweed, Foxtail, Ground Ivy, Jimsonweed. Morning Glory, Poison Ivy, Poison Oak, Ragweed, Sunflower, Thistle, and other broadleaf weeds. It may be used on both cool season and warm season residential lawns (read the label for complete instructions and restrictions). This powerful crabgrass, broadleaf, and grassy weed killer travels through the whole weed, including the root after it penetrates the leaves.

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  9. Ornamec 170 Grass Herbicide

    Ornamec 170 Grass Herbicide is a selective systemic weed killer, controlling perennial and annual grassy types of weeds. Ornamec 170 with 1.7 % Fluazifop-P-buytl with its combined surfactant is perfect for a small area to treat such as landscape beds. This post-emergent herbicide is applied as an "over the top" application for unwanted grasses without harming ornamental plants. Ornamec 170 stops such grasses as goosegrass, crabgrass, quackgrass, johnsongrass and many more.

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  10. Quali-Pro MSM Turf  Dry Flowable Herbicide - 2 oz

    Starting at: $21.40

    Quali-Pro MSM Turf Herbicide is used on Bluegrass, Bermuda grass, and St. Augustine grasses to tackle hard to kill weeds such as, Bahia grass, Foxtail, Rye grass and Virginia Button weeds.

    Save money with Quali-Pro MSM Turf Herbicide. Compare Quali-Pro MSM Turf herbicide to Nu Farm Manor or Blade herbicides with the same active ingredient (Metsulfuron Methyl 60.0%) as a less expensive alternative.They are identical with the same labels.

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