Revolver Herbicide

Revolver Herbicide, manufactured by Bayer, is an effective post-emergent herbicide for managing annual and perennial cool seasoned grassy weeds such as poa annua (annual bluegrass) and goosegrass in warm-seasoned turf.

Compromised of 2.34% Foramsulfuron, Revolver Herbicide works incredibly fast by stopping the production of three critical amino acids, halting cell division and growth in a few hours.

Revolver Herbicide provides a powerful suspended concentrate formulation that ceases weed growth in a few hours after application. Complete death occurs between 1 to 4 weeks after application.

Tools Needed

You will need a hand-held or backpack sprayer for residential applications.

Do not use non-ionic surfactants, crop oil concentrate, methylated seed oil blends, and refined vegetable oils.

How to Use

• Step 1: Determine how much Revolver Herbicide you need by first measuring the square footage of the treatment area. To do this, measure the length and width of the treatment area in feet, then multiply them together (length x width = square footage). To apply as a spot treatment, Revolver Herbicide can be mixed at a rate of 0.5 to 2 fl. oz. per gallon of water per 1,000 sq. ft., depending on the weed and stage of growth. For broadcast applications, use 4.4 to 17.4 oz. of product per 60 gallons of water per acre. Do not use more than 1.25 oz. of product per 1,000 sq. ft. per use per season for broadcast applications. In the case of spot treatments, do not apply more than 2 oz. of product per 1,000 sq. ft. and treat no more than 10,000 sq. ft. per acre.
• Step 2: Fill a handheld pump sprayer halfway with water, then add the required amount of product to the tank. Replace the cap and agitate by shaking the sprayer until the herbicide solution is thoroughly mixed.
• Step 3: Spray the target weed to wet, getting even coverage via the fan cone spray setting. Wait 7 to 10 days to check progress and reapply if necessary. Do not irrigate immediately after application. However, if dew is present the next 2 mornings after application, irrigate lightly with 0.1 to 0.2 inches of water before allowing traffic such as mowing to occur.

Where to Use

Revolver Herbicide can be used on warm-seasoned turfgrass cultivars such as bermudagrass, baby, common, champion, mini Verde, princess (seeded), riviera (seeded), nu mex Sahara (seeded), savannah, tifway 419, tifgreen 328, Tifton 10, tifsport, tifdwarf, tifeagle, transcontinental, vamont, Yukon (seeded), zoysiagrass, cavalier, companion (seeded), Crowne, DeAnza, el toro, emerald, greg norman, Jamar, Meyer, palisades, zenith (seeded), zeon, buffalograss, buffalograss cultivars, perennial ryegrass, and poa trivialis.

Sites containing these turfs, such as golf course turf, golf course greens, golf course tees, golf course collars, golf course fairways, golf course roughs, residential lawns, sports fields, commercial lawns, cemeteries, parks, campsites, recreational areas, home lawns, roadsides, school grounds, and sod farms can be treated.

When to Use

Apply during peak weed-growing times of the year. It is best to target weeds when they are young and actively growing. For best results in controlling mature weeds, apply Revolver Herbicide in the spring or through fall when the daily average temperature is above 70 degrees Fahrenheit.

Turf exhibiting injury from previous applications of other products should not be treated.

Safety Information

Revolver Herbicide is safe to use around 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 people and pets out of the treated area until the spray completely dries. 

Special Considerations

Adding an adjuvant and nitrogen fertilizer may improve the control of some difficult-to-control weeds with Revolver Herbicide, including volunteer/clumpy ryegrass and goosegrass. However, these additives may also cause phytotoxicity to desirable grasses in some situations. These additives should be tested in a limited area before widespread use.

Cool-season turfgrasses, such as bentgrass, ryegrass, fescues, annual bluegrass, rough stalk bluegrass (poa trivialis), and Kentucky Bluegrass, are not tolerant of this product.