Ornamec 170 Grass Herbicide
PBI GORDON
Ornamec 170 Grass Herbicide
Ornamec 170 Grass Herbicide is a post-emergent selective herbicide that is designed to treat various types of grassy weed problems. Can control barnyardgrass, goosegrass, crabgrass, foxtail and many other listed weeds.
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Ornamec 170 Grass Herbicide, manufactured by PBI Gordon, is a post-emergent selective herbicide meant to control annual and perennial grassy weeds that show up on landscape beds. Ornamec 170 works systemically to control unwanted grasses in areas with ornamental plants, shrubs, trees, flowers and groundcover.
Ornamec 170 can be safely applied "over-the-top" without injuring desired plants. Ornamec works fast and will hinder the growth of grassy weeds in as quick as 48 hours. If you are looking for grassy weed control, Ornamec provides great value.
Tools Needed
To use Ornamec 170 Grass 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
- Step 1: Determine how much Ornamec 170 you need for your application by first calculating the square footage of your yard. To do this, you will need to measure and multiply the area length times the width (length x width=square footage). The application rates for Ornamec 170 vary depending on the weed being treated, where you are treating and whether you are conducting a broadcast treatment or spot treatment. For example, Broadcast treatments for Ornamentals, Trees, Shrubs and Groundcovers use 6 to 9 fl. oz. per gallon of water per 1,000 sq. ft. Spot treatments for Bermudagrass on Tall Fescue Turf should be applied at a rate of 2 fl. oz. per gallon of water per 1,000 sq. ft.
- Step 2: Fill your sprayer tank halfway with the appropriate amount of water. Add the correct measured amount of Ornamec 170 based on your calculations and then add the remaining half of water. Agitate well in the sprayer to ensure it's 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.
- Step 3: Reapply the product in 14 to 21 days intervals if weeds are still persisting and repeat as needed for full control all season long.
Where to Use
Ornamec 170 can be used to control grass weeds in many newly transplanted and established ornamentals, trees, shrubs and groundcovers.
When to Use
Apply Ornamec 170 to actively growing grass weeds before they exceed the recommended growth stages. Make applications on warm, calm days when wind speeds are low to minimize drift and when rain is not in the immediate forecast.
Do not apply this product if rainfall is expected within 1 hour of application.
Safety Information
Ornamec 170 is safe for pets and children when applied according to the product label instructions. Always wear the proper personal protective equipment (PPE) when mixing and applying this product.
Keep children and pets out of treated areas until the spray has completely dried.
Special Considerations
Do not apply Ornamec 170 Grass Herbicide to grasses that are stressed due to moisture, temperature, low soil fertility or mechanical/chemical injury. Always check the label before purchasing to make sure that the product is listed to address your specific weed problem and to check if it is safe to use on your landscape.
| Availability | Online |
| Restricted Use | No |
| Shipping Restrictions | 32 Ounce: AK, HI |
| Brand | PBI GORDON |
| Keith's Pro Tips | "When using Ornamec 170 Grass Herbicide for broadcast treatment in ornamentals, trees, shrubs, and groundcovers, multiple applications might be needed, however, do not spray more than 27 fluid ounces of the product per 1,000 square feet per season." |
| Product Drawbacks | Ornamec 170 Grass Herbicide needs to be mixed with a non-ionic surfactant to be effective. |
| Target Pests | Ornamec 170 Grass Herbicide will control Barnyardgrass, Bermudagrass, Broadleaf Signalgrass, Dallisgrass, Downy Brome, Fall Panicum, Field Sandbur, Giant Foxtail, Goosegrass, Green Foxtail, Guineagrass, Italian Ryegrass, Itchgrass, Johnsongrass, Junglerice, Kikuyugrass, Large Crabgrass, Prairie Cupgrass, Quackgrass, Rabbitfootgrass, Red Rice, Rhizome Johnsongrass, Shattercane, Smooth Crabgrass, Sorghum Almum, Southern Crabgrass, Southern Sandbur, Southwestern Cupgrass, Texas Panicum, Torpedograss, Tropical Crabgrass, Volunteer Barley, Volunteer Corn, Volunteer Milo, Volunteer Oats, Volunteer Rye, Volunteer Wheat, Wild Oats, Wild Proso Millet, Wildcane, Wirestem Muhly, Witchgrass, Woolly Cupgrass, and Yellow Foxtail. For more target pests please refer to the label. |
| Application Equipment | Pump Sprayer |
| Application Methods | Broadcast Spray, Spot Treatment |
| Active Ingredient | Fluazifop-P-butyl 1.70% |
| Product Type | Herbicide |
| Formulation | Emulsifiable Concentrate (EC) |
| Application Rate | Ornamec 170 Grass Herbicide can be mixed at a rate of 10 oz. per gallon of water. For more specific application rates please refer to the label. |
| Shelf Life | Ornamec 170 can last between 1 to 3 years in storage when kept in a cool, dry place. |
| Yield | 1 Quart Size of Ornamec 170 Grass Herbicide Covers 3,000 to 5,000 square feet when using the 6 to 9 oz. per 1,000 sq. ft. application rate. |
| Use Sites | Outdoors |
| Time to Kill | Treated grass ceases growth usually within 48 hours and dies within one to three weeks |
| Comparable Products | 2,4-D Amine |
| Incompatible Grass Types | Bentgrass, Bermudagrass, Kentucky Bluegrass, Fescue, Tall, Kikuyugrass |
| Incompatible Home Siding | Brick, Hardie Plank, Stone Veneer, Wood, Vinyl |
| EPA Registration # | 2217-751 |
8/12/21
Debbie Schroeder
Verified Buyer
Good to rid Bermuda grass from anywhere!
I use this to get bermuda grass out of fescue and from anywhere it happens to come up it works very well anytime!
7/25/21
Jay Graham
Verified Buyer
Ideal for zoysia sod! My zoysia sod came with a few spots of Bermuda grass. this product killed it out without killing my zoysia. Highly satisfied.
6/28/21
Scott R.
Verified Buyer
Have used in the past, but may try another
I've used this product multiple times, but the last time I was a little disappointed. Even after multiple applications, some grass areas didn't die off
6/16/21
D O.
Verified Buyer
Does what it is intended to do
Purchased to control Bermuda in and around shrubs in landscaped bed areas. Effective, did NOT harm existing shrubbery. Will continue to purchase and use product.
11/30/20
Colin Travis
Verified Buyer
Cost effective option
This is a great, cost effective option for grassy weeds, especially BErmuda grass. This was able to help me with my infestation quickly and easily.
11/30/20
JIM T.
Verified Buyer
Easy to Use
This was very easy to use and a cost effective option for weed control. Would definitely recommend this.
11/25/20
Ian M.
Verified Buyer
Impressive against Bermuda
My lawn was getting overrun with Bermudagrass. I looked online for help and came across Ornamec 170 on Solutions Pest & Lawn. Purchased it and mixed a small amount in a sprayer with surfactant and within a couple weeks the Bermudagrass was dead and gone. Highly recommend!
11/25/20
Asif B.
Verified Buyer
Impressive against Bermudagrass
Bermudagrass was overtaking my yard. I went online to look up a solution and actually found a store called Solutions Pest & Lawn that stated Ornamec 170 could eliminate Bermudagrass. I bought it and mixed a small amount in a sprayer with surfactant and in two weeks after spraying the Bermuda grass is all gone. Very impressive and I highly recommend.
11/25/20
Eric W.
Verified Buyer
Impressive against Bermudagrass
Bermudagrass invaded my yard so I googled online for solutions and found that a store called Solutions had the perfect product in the form of Ornamec 170. I bought it, mixed a bit with surfactant in a pump sprayer and after two weeks the Bermuda grass is pretty much dead. I highly recommend it for Bermudagrass control, that's for sure.
11/28/18
Gilda P.
Verified Buyer
Works great takes about 10 days but will kill the Bermuda grass or wire grass make sure you read the label before application for the difference types of grass
| Restricted Use | No |
|---|---|
| Shipping Restrictions | AK, HI |
| Availability | Online |
| Keith's Pro Tip | "When using Ornamec 170 Grass Herbicide for broadcast treatment in ornamentals, trees, shrubs, and groundcovers, multiple applications might be needed, however, do not spray more than 27 fluid ounces of the product per 1,000 square feet per season." |
| Target Pests Multi | Barnyardgrass, Bermudagrass, Broadleaf Signalgrass, Corn Volunteer, Dallisgrass, Downy Brome, Fall Panicum, Field Sandbur, Giant Foxtail, Goosegrass, Green Foxtail, Guineagrass, Italian Ryegrass, Itchgrass, Junglerice, Kikuyugrass, Large Crabgrass, Oat Volunteer, Quackgrass, Rabbitfootgrass, Red Rice, Rhizome Johnsongrass, Seedling Johnsongrass, Shattercane, Smooth Crabgrass, Sorghum Almum, Southern Crabgrass, Southern Sandbur, Southwestern Cupgrass, Texas Panicum, Torpedograss, Tropical Crabgrass, Volunteer Barley, Volunteer Milo, Volunteer Wheat, Wild Oats, Wild Proso Millet, Wildcane, Wirestem Muhly, Witchgrass, Woolly Cupgrass, Yellow Foxtail |
| Time to Kill | Treated grass ceases growth usually within 48 hours and dies within one to three weeks |
| Chemical Type | Herbicide |
| Formulation | Emulsifiable Concentrate (EC) |
| Application Methods | Broadcast Spray, Spot Treatment |
| Product Drawbacks | Ornamec 170 Grass Herbicide needs to be mixed with a non-ionic surfactant to be effective. |
| Active Ingredient | Fluazifop-P-butyl 1.70% |
| Application Equipment | Pump Sprayer |
| Mix Rate | Ornamec 170 Grass Herbicide can be mixed at a rate of 10 oz. per gallon of water. For more specific application rates please refer to the label. |
| Low Use Rate | 2.18 oz./1,000 sq. ft. |
| High Use Rate | 6 oz./1,000 sq. ft. |
| Use Sites | Outdoors |
| Yield | 1 Quart Size of Ornamec 170 Grass Herbicide Covers 3,000 to 5,000 square feet when using the 6 to 9 oz. per 1,000 sq. ft. application rate. |
| EPA Registration No. | 2217-751 |
| Shelf Life | Ornamec 170 can last between 1 to 3 years in storage when kept in a cool, dry place. |
| Comparable Products | 2,4-D Amine |
| Children or pets? | No |
| Property Characteristics | None |
Questions and Answers
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Q:Can I use it on St. Augustine (Floratam)?8/6/22A:It works great in tall fescue and around plants and trees, others state it works on zoysia, not sure about St Augustine, they have great customer service, I would give them a call.
Debbie Schroeder
8/6/22Certified Buyer -
Q:Does anyone have experience with trying to kill torpedo grass with Ornamec 170 herbicide?7/15/22A:Ornamec 170 Grass Herbicide will control torpedograss.
Amanda Chavez
7/18/22Certified Buyer -
Q:How long do you wait after treatment to over seed?5/7/22A:In areas such as tall fescue, you may re-seed when 14 days have passed after application with Ornamec 170 Grass Herbicide.
Amanda Chavez
5/10/22Certified Buyer -
Q:is it safe to use on centipede grass ?2/1/22A:Ornamec 170 Grass Herbicide is not labeled to be used in centipede grass.
Amanda Chavez
8/1/22Certified Buyer -
Q:When Can you plant food on the treated area?1/28/22A:Ornamec 170 Grass Herbicide should not be applied to ornamentals intended to be harvested for food within one year after application. You will need to wait one year before replanting.
Amanda Chavez
1/28/22Certified Buyer -
Q:I I LIVE IN PHOENIX,AZ. IS IT BETTER I LIVE IN PHOENIX,AZ. IS IT BETTER TO WAIT TILL SPRING, WHEN IT STARTS ACTIVLY REGROWING?10/20/21A:I apply the product twice a year to keep the Bermuda grass from growing, so I don’t think it matters much when you apply the product. It works really well. I live in Southern California, but I’d say the climate doesn’t really come into play much. It works.
Douglas McKenzie
10/20/21Certified Buyer -
Q:if instruction says 'apply at 65-85 degrees'; does it mean only during lawn application? Or does it mean, it should dry at 65-85 degree temperature? Thanks8/27/21A:Have not had the problem, but interpret this to mean that if product is fully dry when temperatures go above 85 degrees, there should be no problem. I suspect the concern is that if the product rises above 85 degrees it may evaporate. I’m not a chemist, but the chemical mix seems to have a designated range necessary to dry on the plant. There might be other explanations based on plant physical attributes which occur at these temperature ranges. Unfortunately, I am not a botanist either.
David McEwen
8/28/21Certified Buyer -
Q:Can I use this product in st augustine grass?8/24/21A:You should check the herbicide label.Enter an answer to this question.
Dale Hawley
8/27/21Certified Buyer -
Q:My grass is already brown from the restriction of water. But I can see the Bermuda grass growing strong. Is it still good to put this item down where my Kentucky blue grass is trying to grow?7/16/21A:Label does NOT reference Kentucky Blue Grass, recommend testing a small area first. This does kill Bermuda grass, and most likely would also kill Kentucky Blue Grass.
Don Ventura
7/16/21Certified Buyer -
Q:Will it kill broadleaf blooming natives? The burmuda is invading and I’m having a hard time keeping it pulled out .6/27/21A:It's supposed to, but the last time I bought Ornamec, I was a little disappointed. I had to apply multiple applications and it did brown the edges of some of my broadleaf plants. Don't expect RoundUp style results as even the bottle says it may take weeks before you can see the grass turn brown
Scott Rollins
6/28/21Certified Buyer
