Isoxaben 75WG
QUALI-PRO
Isoxaben 75WG
Isoxaben 75WG is a pre-emergent herbicide that comes in wettable granules and delivers selective control of broadleaf weeds on landscapes. Isoxaben 75WG is easy to use and long-lasting.
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Isoxaben 75WG product page
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Isoxaben 75WG, manufactured by Quali-Pro, is designed for the pre-emergent control of broadleaf weeds on turf grass.
This easy to mix product comes in the form of water-dispersible granules that must be thoroughly and uniformly mixed in water and applied as a spray. Isoxaben can deliver up to 8 months of selective pre-emergent control of broadleaf weeds with a single application.
Isoxaben's performance is proven on both cool and warm-season turfgrass and in the ornamental, landscape, and nursery markets. If you're dealing with pesky broadleaf weeds on your property, stop them before they germinate with Isoxaben.
Tools Needed
To use Isoxaben 75WG 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 Isoxaben 75WG you will need to mix by first calculating the size of the area you wish to treat and based on that information mix the appropriate amount of packets to water in a hand-pump sprayer. Measure (in feet) and multiply the area length times the width (length x width = square footage). For spot treatment using Isoxaben 75WG mix at a rate of 0.25 to 0.50 oz. per gallon of water to treat 1,000 square feet.
- Step 2: Fill a hand sprayer halfway with water and then add the appropriate amount of Isoxaben based on your calculations. Shake the sprayer and then fill with the remaining half of the required amount of water. Agitate the sprayer until the solution is well-mixed.
- Step 3: Broadcast the spray over your entire lawn, making sure to get even coverage via fan spray setting. After application, water the product in with rainfall or sprinkler irrigation of 0.5 inches or more. If not immediate, then irrigate treated areas at least within 21 days after first application.
Where to Use
Use Isoxaben 75WG Herbicide in established cool-seasoned and warm-seasoned turf grasses, landscape ornamentals, container-grown ornamentals, field-grown ornamentals, ground covers/perennials, ornamental bulbs, non-bearing fruit and nut trees, non-bearing vineyards, Christmas tree/conifer plantations, and non-cropland areas.
When to Use
Use Isoxaben 75WG in the early spring and fall to stop weed germination before it starts. Timing is crucial because if the weed has already sprung up, applying Isoxaben 75WG will be ineffective.
Safety Information
Isoxaben 75WG is safe to use around chidren and pets when applied according to the product lable instruction. Always wear the appropriate personal protective equipment (PPE) when mixing and applying this product.
Do not enter or allow others and pets to enter treated areas until 12 hours have passed after application.
Special Considerations
Isoxaben 75WG is stable on the soil surface for up to 21 days, but it must be incorporated by moisture to be effective. If it is not activated by water within 21 days of application, erratic weed control may result.
| Availability | Online |
| Restricted Use | No |
| Shipping Restrictions | |
| Brand | QUALI-PRO |
| Keith's Pro Tips | "For Isoxaben to work, you need to apply it at optimum times when your target weed has yet to grow. If they have already grown, Isoxaben is ineffective and you will need to use a post-emergent product." |
| Product Drawbacks | Does not control established weeds. If weeds have already sprouted, you will need to instead apply a post-emergent weed killer. |
| Target Pests | Annual Bursage, Annual Sowthistle, Black Medic, Black Mustard, Black Nightshade, Blackleaved Fleabane, Bracted Plantain, Bristly Oxtongue, Broadleaf Plantain, Buckhorn Plantain, Burning Nettle, California Burclover, Carolina Geranium, Carpetweed, Chamberbitter, Chamomile Mayweed, Coast Fiddleneck, Common Chickweed, Common Groundsel, Common Lambsquarters, Common Mallow, Common Pokeweed, Common Purslane, Common Ragweed, Creeping Woodsorrel, Curly Dock, Dandelion, Dogfennel, Dwarf Fleabane, Eclipta, Eveningprimrose, Field Bindweed, Florida Pusley, Green Tansymustard, Hairy Bittercress, Hairy Galinsoga, Heath Aster, Henbit, Honeyvine Milkweed, Horseweed, Hyssop Spurge, Indian Mustard, Ivyleaf Morningglory, Jimsonweed, Kochia, Ladysthumb, Lanceleaf Groundcherry, Lawn Burweed, Little Bittercress, Little Mallow, London Rocket, Marestail, Mouseear Chickweed, Musk Thistle, Nettleleaf Goosefoot, Panicle Willoweed, Pennsylvania Smartweed, Pennywort, Petty Spurge, Pigweed, Pineappleweed, Prickly Lettuce, Prickly Sida, Prostrate Knotweed, Prostrate Spurge, Purple Cudweed, Purslane, speedwell, Rattail Fescue, Red Sorrell, Redmaids Rockpurslane, Redstem Filaree, Russian Thistle, Scarlet Pimpernel, Shepardspurse, Sibara, Silverheath Knotweed, Slender Aster, Slender Plantain, Sotted Spurge, Southern Brassbuttons, Spiny Sowthistle, Sunflower, Swinecress, Tall Morningglory, Telegraphplant, Thymeleaf Speedwell, Turkey Mullein, Venice Mallow, Virginia Pepperweed, White Clover, Whitestem Filaree, Wild Carrot, Wild Celery, Wild Mustard, Wild Raddish, Yellow Sweetclover, and Yellow Woodsorrel. |
| Application Equipment | Backpack Sprayer, Gloves, Pump Sprayer, Respirator Mask |
| Application Methods | Broadcast Spray, Spot Treatment |
| Active Ingredient | Isoxaben 75.0% |
| Product Type | Herbicide |
| Formulation | Water Dispersible Granule (WDG) |
| Application Rate | 0.25 to 0.50 oz. of Isoxaben 75WG per gallon of water per 1,000 sq. ft. 0.66 to 1.33 lbs. of Isoxaben 75WG per 10 gallons of water per acre. |
| Shelf Life | Isoxaben 75WG can last in storage up to 3 years when kept in a cool, dry place. |
| Yield | Each pound of Isoxaben will treat up to 32,000 square feet of turf with pre-emergent broadleaf weed protection. |
| Use Sites | Outdoors |
| Time to Kill | Isoxaben does not kill weeds, it prevents weed seeds from germinating within 21 days of application. |
| Comparable Products | Prodiamine WDG |
| EPA Registration # | 53883-434 |
| Restricted Use | No |
|---|---|
| Shipping Restrictions | AK, CA, CT, HI, IN, MI, NY, OR, RI, SC, VT, WA |
| Availability | Online |
| Signal Word | WARNING |
| Keith's Pro Tip | "For Isoxaben to work, you need to apply it at optimum times when your target weed has yet to grow. If they have already grown, Isoxaben is ineffective and you will need to use a post-emergent product." |
| Time to Kill | Isoxaben does not kill weeds, it prevents weed seeds from germinating within 21 days of application. |
| Chemical Type | Herbicide |
| Formulation | Water Dispersible Granule (WDG) |
| Application Methods | Broadcast Spray, Spot Treatment |
| Product Drawbacks | Does not control established weeds. If weeds have already sprouted, you will need to instead apply a post-emergent weed killer. |
| Active Ingredient | Isoxaben 75.0% |
| Application Equipment | Backpack Sprayer, Gloves, Pump Sprayer, Respirator Mask |
| Mix Rate | 0.25 to 0.50 oz. of Isoxaben 75WG per gallon of water per 1,000 sq. ft. 0.66 to 1.33 lbs. of Isoxaben 75WG per 10 gallons of water per acre. |
| Low Use Rate | 0.246 oz./1,000 sq. ft. |
| High Use Rate | 0.48 oz./1,000 sq. ft. |
| Use Sites | Outdoors |
| Yield | Each pound of Isoxaben will treat up to 32,000 square feet of turf with pre-emergent broadleaf weed protection. |
| EPA Registration No. | 53883-434 |
| Shelf Life | Isoxaben 75WG can last in storage up to 3 years when kept in a cool, dry place. |
| Comparable Products | Prodiamine WDG |
| Children or pets? | No |
| Property Characteristics | None |
Questions and Answers
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Q:How long do I have to wait after application before I can broadcast pasture seed on the treated ground?1/24/24A:Wait until 60 days have passed after the application of Isoxaben 75WG before you broadcast your seeds.
Amanda Chavez
1/24/24Certified Buyer -
Q:Can I use Isoxaben 75wg in a tow behind sprayer?10/11/22A:Yes, so long as you have it calibrated to apply the correct amount per 1000 sq. ft.
Russell Heyn
10/11/22Certified Buyer -
Q:WILL IT KILL ST AUGUSTINE GRASS?10/11/22A:Isoxaben 75WG will not kill established St. Augustinegrass. If its sprigged, then apply anytime after sprigging St. Augustinegrass to control certain broadleaf weeds.
Amanda Chavez
10/12/22Certified Buyer -
Q:Does Isoxaben 75WG come with a measuring cup so I can accurately measure out .38 ounces without having to weigh it?9/9/22A:There isn't any notes on manufacturer website or the product itself that it comes with a measuring cup. However, while not clearly indicated the bottle appears to have a tip-n-pour measure feature. If you find that you want a precise measure, we recommend using a chemical measuring cup such as Measuring Cup - 4 oz. https://www.solutionsstores.com/measuring-cup-4-oz
Amanda Chavez
9/9/22Certified Buyer -
Q:Will Isoxaben 75WG harm Bahia grass?8/29/22A:Isoxaben 75WG can be used on established or sprigged turfgrass such as as bahiagrass.
Amanda Chavez
8/29/22Certified Buyer -
Q:Will this harm Bahia grass?8/29/22A:According to "2012 University of Florida’s Pest Control Guide for Turfgrass Managers," isoxaben is safe to use on Bahiagrass.
Andrew Adams
8/29/22Certified Buyer -
Q:Can Isoxaben be used in vegetable gardens: field peas, corn, etc.?12/11/21
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Q:Isoxaben 75 Can I use Isoxaben on a Bermuda grass lawn?10/21/21A:Isoxaben 75WG can be used on established Bermudagrass lawns or after sprigging Bermudagrass lawns. If you have a freshly sprigged Bermudagrass lawn do not apply more than 1 lb. per acre of Quali-Pro Isoxaben 75 WG. Do not use this product on varieties of dwarf-type Bermudagras.
Amanda Chavez
10/21/21Certified Buyer -
Q:Trying to get rid of henbit. I’m in the Northeast when should I apply it.? What temperature? Thanks9/25/21A:Henbit is a winter annual weed so it will start to grow near the end of summer or in the fall. Henbit cannot survive high temperatures where the weather is warm and dry. It will typically begin to wither in the summertime. For more information, refer to our DIY henbit control guide. https://www.solutionsstores.com/henbit-control
Amanda Chavez
9/27/21Certified Buyer -
Q:Your label states I can add Prodiamine to my Isoxaben application. Should I limit the amount of Prodiamine or is it ok to add the full 6-month amount of Prodiamine to the suggested amount of Isoxaben? It seems adding both at the full recommended strength would have a negative effect and be harmful to my St. Augustine grass roots.5/19/21
