• Specialty Herbicide

Effective dandelion control made easy

Defendor® specialty herbicide is a postemergence product effective in late fall and early spring and is designed to perform in cold weather. Defendor prevents dandelion bloom and controls other spring weeds before they’re ever seen.

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Control in late fall and early spring

image of dandelion in grass

Can be applied in late fall or early spring, when temperatures are still cool — a time when other postemergence herbicides aren't effective.


Economical and effective

image of dandelion in grass

Defendor® specialty herbicide saves time and money by controlling high-anxiety weeds before they bloom, reducing callbacks and minimizing complaints. It’s extremely effective at controlling dandelion, clover and other annual and perennial broadleaf weeds.

Low use rates

imge of baseball infield

Defendor has an extremely low use rate when compared with other postemergence herbicides.



Residential turf

Commercial Turf

Controlled weeds

Effective control of the following weeds and more:

  • Black medic
  • Burclover
  • Carolina Geranium
  • Carrot
  • Catsear
  • Chamomile
  • Chickweed
  • Clover
  • Dandelion
  • Dollarweed
  • Falsedandelion
  • Fleabane
  • Groundsel
  • Mustard
  • Shepherd's-purse
  • Smartweed

Refer to the Product Label for complete product efficacy information.

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State registrations

  • Registered
  • Unregistered

Technical Specifications

  • Active Ingredient


  • Application Rate

    Apply to turfgrass at the rate of 4 fl. oz./A (or 0.013 lb. a.i./A) for effective control.

  • Application Timing

    Apply in late fall to early spring when the weather is cool and before dandelion bloom. Best weed control results are obtained when applied to small, actively growing weeds.

  • Application Method

    Defendor® specialty herbicide is formulated as a suspension concentrate and can be applied as a standard-volume broadcast application, low-volume application or spot treatment.

  • Approved Use

    Defendor can be used on established turfgrass, including residential lawns, golf courses, sports fields, sod farms and commercial turfgrass areas. Do not apply Defendor to golf course putting greens.

  • Additional Information

    Defendor is a postemergence product that provides effective control of dandelions, especially in cooler weather. Defendor is available in two sizes: a 1-quart jug, as well as a 1-gallon container in a Value Pak with Dimension® 2EW specialty herbicide.

®Trademarks of Corteva Agriscience and its affiliated companies. State restrictions on the sale and use of Defendor, Dimension, Snapshot and Turflon Ester Ultra apply. Consult the label before purchase or use for full details. Always read and follow label directions.