Hyvar X-L Weed Killer Herbicide

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Hyvar X-L herbicide does what other herbicides cannot: It provides long-term residual weed control. With one application, Hyvar controls various annual and perennial weeds, grasses and brush species and keeps noncrop sites clear and healthy. Weed overgrowth causes native grass and plant die-off, but Hyvar X-L stops weeds thanks to its reliable, effective formula. Whether you use it in lumberyards or on highway rights of way, Hyvar X-L kills and prevents weed growth.

How Hyvar X-L Herbicide Works

Whereas Hyvar X contains only bromacil, Hyvar X-L contains bromacil lithium salt for a more effective way to target, kill and prevent brush and other weeds from ruining noncrop areas. This active ingredient is absorbed through the weeds' roots, moving through the plants and killing them over time. Though Hyvar X-L doesn't kill right away, it provides residual weed control long after the plants have died. 

Where to Use Hyvar X-L Herbicide

Because of its powerful formula, you should only use Hyvar X-L on noncrop sites, not residential and recreational lawns. It's useful for killing weeds and brush on rights of way, along fence rows and throughout lumberyards. You can use it on bare ground to kill annual and perennial weeds around storage areas, utility sites and petroleum tank farms. It's easy to apply as a spot treatment using a hand or backpack sprayer.

Target Weeds

Hyvar X-L herbicide doesn't just kill crabgrass, aster and cottonwood; it keeps them from coming back for months. Use this weed killer to eradicate foxtail, ragweed, ryegrass and dandelion. You can also apply it to eliminate:

  • Downy brome
  • Dogfennel
  • Lamb's quarters
  • Goldenrod
  • Quackgrass
  • Wild oats
  • Sumac
  • Maple
  • Wild carrot

Hyvar X-L Features and Benefits

  • Gives you total control of annuals, perennials and brush species
  • Contains an effective ingredient for residual weed control
  • For use in noncrop areas such as rights of way, lumberyards and fence rows
  • Useful as a spot treatment for targeting individual weed species

Usage Tips

  • Apply Hyvar X-L under pond liners, asphalt and concrete to prevent weed growth.
  • Read the label carefully before tank-mixing with another herbicide.
  • Avoid using aluminum spray nozzles or equipment.
  • Use as a pre- or early postemergent spray when weeds have just started to germinate.

Use Hyvar X-L Herbicide for Long-Term Weed Control

Some herbicides only target weeds without providing long-lasting results. If you're tired of continuous treatments, switch to Hyvar X-L herbicide. With bromacil lithium salt as its active ingredient, you get effective weed die-off and residual control with one application. It kills a variety of annuals and perennials and keeps weeds and brush from growing on noncrop sites and under pavement. When no other product gives you expected results, make Hyvar X-L your next herbicide for effective weed control.


It is a violation of Federal Law to use this product in a manner inconsistent with its labeling. For any requirements specific to your State or Tribe, consult the agency responsible for pesticide regulation. Shake well before using. Do not apply this product in a way that will contact workers or other persons, either directly or through drift. Only protected handlers may be in the area during application.


For additional information on this product please reference the Material Safety Data Sheet and Product Label listed below.

Active Ingredient(s)

Lithium salt of bromacil 21.9%

Target Weeds

Bromegrass, cheatgrass, crabgrass, foxtail, lambsquarters, orchard grass, puncturevine, ragweed, ryegrass, turkey mullein, wild oats, aster, bahiagrass, blue grass, broomsedge, dandelion, dog fennel, goldenrod, plantain, purpletop, perennial grasses

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