Katana Herbicide
Katana Herbicide Katana Herbicide

Katana Herbicide

PBI GORDON

Katana Herbicide

Katana Herbicide is a selective post-emergent herbicide that can kill a wide variety of grassy and broadleaf weeds in warm-season turf including poa annua, sedges and 58 other listed weeds.
As low as $229.24
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Katana Herbicide is manufactured by PBI Gordon and is a selective, post-emergent herbicide that delivers exceptional control of broadleaf and grassy weeds in warm-season turf like Poa annua, ryegrass, tall fescue and 58+ other listed weeds. This product comes in a 5 oz container which can go a long way as you only need a small amount to do a lot of damage.

Tools Needed

To use Katana Herbicide, you will need to mix the product into a sprayer of your choosing such as a backpack, hose-end or hand-pump sprayer. For the average job, a hand-pump gallon sprayer works best.

How to Use

Selective Herbicide

  • Step 1: Determine how much Katana Herbicide you will need for your application by calculating the square footage of your yard. To do this, measure (in feet) the area length and width and multiply the two values (length x width = square footage). The typical rate to use Katana Herbicide is between 0.034 - 0.068 oz. per 1,000 sq. ft. or 1.5 - 3 oz. per acre. The rate varies depending on the weed you want removed. So for example, if you are wanting to get rid of Purple Nutsedge, the rate is 0.68 oz. per 1,000 sq. ft. in a gallon of water. For 3,000 sq. ft. you would need 2.04 oz. of Katana mixed in 3 gallons of water.
  • Step 2: Fill your sprayer halfway with the appropriate amount of water. Add the appropriate measured amount of Katana Herbicide based on your calculations and then fill with the remaining half of water. Close the sprayer lid and agitate until the solution is well mixed. 
  • Step 3: Broadcast spray or spot treat based on the severity of your grassy weed problem, making sure to get even coverage via fan spray setting. Reapply the product in 3 or 4 weeks if weeds are still persisting and repeat as needed for full control all season long.

Where to Use

Katana Herbicide may be used on golf courses (fairways, roughs, greens, tees, collars, and approaches) and the following turf areas: industrial parks, tank farms, sod farms, seed farms, cemeteries, professional managed sports fields, and commercial turf. Residential turf application is limited to a targeted, directed spray of weeds only.

When to Use

For best results in the post-emergent control of grassy weeds, Early summer treatments are most effective. Late summer application (after August 15) to mature crabgrass can be very effective. Application in the middle of the summer from July 15 to August 15 will prove less effective to older, drought-stressed grassy weeds.

Safety Information

Katana Herbicide is safe to use when applied according to label directions. Before applying this product, please make sure to put on the proper PPE for safety (long-sleeved clothing, gloves, face mask, goggles). The product is safe for pets and kids when used according to the label. Pets and children should not be present during treatment and should remain out of the treated areas until they have completely dried.

Special Considerations

Some ornamental shrubs, plants and trees may be sensitive to Katana Herbicide. Do not make applications that would result in direct contant with sensitive plants.

AvailabilityOnline
Restricted UseNo
Shipping RestrictionsAK, CA, CT, HI, IN, MI, NY, OR, RI, SC, VT, WA
BrandPBI GORDON
Keith's Pro Tips"Spot treating with Katana Herbicide is recommended despite it being a selective herbicide. Make sure to be careful that the product does not drift onto desired plants."
Product DrawbacksIs a slow killing herbicide. Repeat applications may need to be done after 2 to 6 weeks if there is not much sign of death.
Target PestsKatana Herbicide will control American Burnweed, Annual Bluegrass, Annual Sedge, Barnyardgrass, Black Medic, Blue-eyed Grass, Bristly Mallow, Carolina Geranium, Catsear Dandelion, Chamberbitter, Cocks-comb Kyllinga, Common Chickweed, Common Periwinkle, Common Vetch, Cutleaf Eveningprimrose, Cylindric Sedge, Dandelion, Dogfennel, False-green Kyllinga, Field Madder, Field Pansy, Fragrant Kyllinga, Globe Sedge, Green Kyllinga, Hairy Bittercress, Hard Fescue, Henbit, Italian Ryegrass, Japanese honeysuckle, Large hop Clover, Lawn Burweed, Mouse-ear Chickweed, Narrow-leaf Blue-eyed grass, Parsely-piert, Perennial Ryegrass, Purple Deadnettle, Purple Nutsedge, Quackgrass, Rattail Fescue, Rice Flatsedge, Roughstalk Bluegrass, Sicklepod, Slender Aster, Smooth Crabgrass, Southern Crabgrass, Southwest Bedstraw, Sowthistle, Spotted Spurge, Sticky Chickweed, Swinegrass, Tall Fescue, Wandering Cudweed, White Clover, Wild Violet, Yellow Nutsedge, Yellow Rocket, and Yellow Woodsorrel.
Application EquipmentBackpack Sprayer, Hose End Sprayer, Pump Sprayer
Application MethodsBroadcast Spray, Spot Treatment
Active IngredientFlazasulfuron 25.0%
Product TypeHerbicide
FormulationEmulsifiable Concentrate (EC)
Application RateKatana Herbicide can be mixed at a rate of 0.034 - 0.068 oz. per 1,000 sq. ft. or 1 gallon of water. For more specific application rates please refer to the label.
Shelf LifeKatana Heribicide can last 1 to 3 years in storage when kept in a cool, dry place.
YieldA 5 oz. package of Katana Herbicide can treat a little over 3 acres of land.
Use SitesOutdoors
Time to KillKatana stops weed growth within hours after application but it can take 3 to 6 weeks for the treated plant to totally die from the chemical.
Comparable ProductsQ4 Plus Herbicide
Incompatible Home SidingBrick, Hardie Plank, Stone Veneer, Wood, Vinyl
EPA Registration #71512-12-2217
More Information
Restricted Use No
Shipping Restrictions AK, CA, CT, HI, IN, MI, NY, OR, RI, SC, VT, WA
Availability Online
Keith's Pro Tip "Spot treating with Katana Herbicide is recommended despite it being a selective herbicide. Make sure to be careful that the product does not drift onto desired plants."
Target Pests Multi American_Burnweed, Annual Bluegrass, Annual Italian Ryegrass, Annual Sedge, Barnyardgrass, Black Medic, Blue-Eyed Grass, Bristly Mallow, Carolina Geranium, Catsear Dandelion, Chamberbitter, Cock's-comb Kyllinga, Common Chickweed, Common Periwinkle, Common Vetch, Cutleaf Evening Primrose, Cylindric Sedge, Dandelion, False Green Kyllinga, Field Madder, Field_Pansy, Fragrant Kyllinga, Globe Sedge, Green Kylinga, Hairy Bittercress, Hard Fescue, Henbit, Japanese Honeysuckle, Large Hop Clover, Lawn Burweed, Mouseear Chickweed, Narrow Leaf Blue Eyed Grass, Parsley Piert, Perennial Ryegrass, Poa Annua, Poa Trivialis, Purple Deadnettle, Purple Nutsedge, Quackgrass, Rattail Fescue, Rice Flatsedge, Roughstalk Bluegrass, Sicklepod, Slender Aster, Smooth Crabgrass, Southern Crabgrass, Southwest Bedstraw, Sowthistle, Spotted Spurge, Sticky Chickweed, Swinecress, Tall Fescue, Wandering Cudweed, White Clover, Yellow Rocket, Yellow_Nutsedge, Yellow_Woodsorrel, Dogfennel, Wild Violet
Time to Kill Katana stops weed growth within hours after application but it can take 3 to 6 weeks for the treated plant to totally die from the chemical.
Chemical Type Herbicide
Formulation Emulsifiable Concentrate (EC)
Application Methods Broadcast Spray, Spot Treatment
Product Drawbacks Is a slow killing herbicide. Repeat applications may need to be done after 2 to 6 weeks if there is not much sign of death.
Active Ingredient Flazasulfuron 25.0%
Application Equipment Backpack Sprayer, Hose End Sprayer, Pump Sprayer
Mix Rate Katana Herbicide can be mixed at a rate of 0.034 - 0.068 oz. per 1,000 sq. ft. or 1 gallon of water. For more specific application rates please refer to the label.
Low Use Rate 0.011 oz./1,000 sq. ft.
High Use Rate 0.20 oz./1,000 sq. ft.
Use Sites Outdoors
Yield A 5 oz. package of Katana Herbicide can treat a little over 3 acres of land.
EPA Registration No. 71512-12-2217
Shelf Life Katana Heribicide can last 1 to 3 years in storage when kept in a cool, dry place.
Comparable Products Q4 Plus Herbicide
Children or pets? No
Property Characteristics None
Questions and Answers
  1. Q:Will this kill off poa annua & poa trivilis without harming a Kentucky Bluegrass lawn?
    5/30/23
    A:Katana Herbicide will kill poa trivialis and poa annua, but cannot be used on Kentucky Bluegrass. If applied to Kentucky Bluegrass lawn then it will also be killed off.

    Amanda Chavez

    5/30/23
    Certified Buyer
  2. Q:I'm using this Katana herbicide to treat and kill poa annua weeds that are growing rampant in my bermuda and zoysia grass, is it best to apply it right after I mow my lawn and of course cut down the poa annua weeds or should I wait in applying the Herbicide until the weed grows to the point to where it's sprouting seeds ?
    5/14/23
    A:Katana Herbicide should be applied when weeds are young and actively growing. Do not mow the weed as its not stated on the label. Its not recommended to wait until they produce seeds as this can spread the infestation. To prevent poa annua weeds in your bermudagrass and zoysiagrass lawn we recommend Barricade Granular Pre-emergent Herbicide. https://www.solutionsstores.com/barricade-granular-herbicide

    Amanda Chavez

    5/15/23
    Certified Buyer
  3. Q:Does Katana kill existing crabgrass?
    8/16/18
    A:Yes it can.

    Camille Landry

    10/2/18
    Certified Buyer
  4. Q:Can you ship to California?
    6/16/18
    A:Yes the product is registered in the state of California.

    Tina Malone

    6/28/18
    Certified Buyer
  5. Q:Are there more than one type of Katana hebaside? If so how are they different?
    4/11/18
    A:I am not aware of any other Katana Herbicide on the market just this one.

    Camille Landry

    4/16/18
    Certified Buyer
  6. Q:Will this product kill the clumpy grass growing in my turf will this kill it out and not hurt my trig?
    4/7/18
    A:What type of lawn do you have?

    Camille Landry

    4/9/18
    Certified Buyer
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