• Specialty Herbicide

Maximum application flexibility, simplified weed control

Upon registration, Relzar™ specialty herbicide combines two different modes of action, the power of new active ingredient Arylex™ active, a synthetic auxin, and florasulam, an ALS inhibitor. With one use rate across all labeled turf types and weeds with no temperature restrictions expected, grass can just be grass again.

Proposed benefits

Fast-acting, no temperature restrictions expected

Image of commercial building and lawn

Relzar™ specialty herbicide will deliver fast-acting, exceptional control of emerged weeds, is rainfast after one hour and has no temperature restrictions expected. On top of that, this non-dicamba and non-2,4-D formulation has extremely low odor, no volatility and no expected buffer zones to make applications as simple as possible.

Turf safety, low use rate

Image of tall fescue

Relzar has one low use rate of 0.72 oz/A. for all labeled turf types and weeds.  It can be used on warm-season turf including bahiagrass, bermudagrass, buffalograss, centipedegrass, kikuyugrass, St. Augustinegrass, seashore paspalum and zoysiagrass. As well as cool-season turf including bentgrass, bluegrass, fescue (tall and fine) and ryegrass.

Weeds controlled

Image of doveweed being held in hand

Relzar features a new active ingredient — Arylex™ active —and takes the guesswork out of weed control. Extensive testing has shown that it is effective on more than 60 broadleaf weeds.



Residential turf

Commercial Turf

Sports Turf

Sod Farms

Controlled weeds

Controls more than 60 broadleaf weeds, including these key weeds:

  • American Burnweed
  • Aster
  • Beggarweed
  • Black medic
  • Burweed
  • Carolina Geranium
  • Chickweed
  • Clover
  • Dandelion
  • Dollarweed
  • Doveweed
  • Fleabane
  • Groundsel
  • Henbit
  • Matchweed
  • Pigweed
  • Plantain
  • Shepherd's-purse
  • Smartweed
  • Swinecress

Refer to the Product Label for complete product efficacy information.

Technical Specifications

  • Active Ingredient

    Arylex active (halauxifen-methyl); florasulam

  • Mode of Action

    Combines two different modes of action, the power of a new active ingredient, a synthetic auxin, and florasulam, an ALS inhibitor. 

  • Application Rate

    Apply at one use rate of 0.72 oz./A, additionally it is recommended to use a nonionic surfactant. The 4.32-ounce bottle will treat up to six acres, with an easy-to-measure cap. For backpack sprayers, it will come in a carton of nine pouches. Each pouch will contain 0.5-gram of product and will treat up to 1,000 square feet.

  • Application Timing

    Apply to emerged, actively growing weeds.

  • Application Method

    Works effectively in both low- and high-volume spray equipment.

  • Approved Use

    Pending federal registration, Relzar is expected to be used on established turfgrass (commercial and residential); commercial sod farms; ornamental and sports turf; golf courses (fairways, aprons, roughs and tees); campgrounds; parks; recreation areas; cemeteries and unimproved turfgrass areas.

  • Additional Information

    Relzar combines two different modes of action to control high-anxiety weeds like doveweed and dollarweed. Relzar will be available in two package sizes: a 4.32-ounce bottle and a carton of nine, 0.5-gram pouches for backpack sprayers.

™ ® Trademarks of Corteva Agriscience and its affiliated companies. Arylex is a registered active ingredient. Relzar has not yet received regulatory approval; approval is pending. The information presented here is not an offer for sale. State restrictions on the sale and use of Dimension, Lontrel and Turflon Ester Ultra apply. Consult the label before purchase or use for full details. Always read and follow label directions.