General Information


It is a violation of Federal law to use this product in a manner inconsistent with its labeling.

Gordon’s Brushmaster Herbicide is recommended to control perennial broadleaf weeds and undesirable woody plants established in noncropland. It is effective for buckbrush, poison ivy, multiflora rose, and sumac established in the uncultivated areas presented below:


Recommended Noncropland Sites.

- Barrier strips

- Farmyards

- Fencerows or fence lines

- Firebreaks

- Highway rights-of-way (principal, interstate, county, private, and unpaved roads): Roadsides, roadside ditches, road shoulders, road embankments, dividers, and medians.

- Industrial sites: Lumberyards, tank farms, fuel or equipment storage areas.

- Municipal, state, and federal lands: Airports and military installations

- Railroad rights-of-way

- Recreation areas: Fairgrounds, golf courses, parks, and areas adjacent to athletic fields.

- Utility rights-of-way: Telephone, pipeline, electrical powerlines, and communication transmission lines

Applications to non-cropland areas are not applicable to treatment of commercial timber or other plants being grown for sale or other commercial use, or for commercial seed production, or for research purposes.

Prohibitions for Noncropland Sites.

- Do not apply to any body of water such as lakes, streams, rivers, ponds, reservoirs, or estuaries (salt water bays). Do not apply to any shorelines (noncropland sites adjacent to the edges of a body of water) for lakes, streams, rivers, ponds, reservoirs, or estuaries (salt water bays).

- Do not apply to wetlands (swamps, bogs, potholes, or marshes).

- Do not apply to agricultural irrigation water or on agricultural irrigation ditchbanks and canals.

- Do not apply to agricultural drainage water or on agricultural ditchbanks.

Limitations, Restrictions, and Exceptions


Cool Season Grasses Other Than Bentgrass:

- Not for use on turf being grown for sale or other commercial use as sod, or for commercial seed production, or for research purposes.

- The best results will be obtained from spring or early fall applications when weeds have emerged and are actively growing. Avoid spraying during long, excessively dry or hot periods unless adequate irrigation is available. Do not irrigate within 24 hours after application.


- Avoid spray droplets onto vegetables, flowers, ornamental plants, shrubs, trees and other desirable plants. Do not pour spray solutions near desirable plants.

- Do not use on carpetgrass, dichondra, St. Augustinegrass, bentgrass, nor on lawns or turf where desirable clovers are present.

- Use only lawn-type sprayers. Do not exceed specified dosages for any area.

- Do not apply to newly seeded grasses until well established. Seed can be sown 3 to 4 weeks after application.

- Do not spray when air temperatures exceed 85°F.

- Do not apply this product through any type of irrigation system.

- Do not use this product on or near desirable plants, including contact of spray on exposed root systems or adventitious shoots within the drip line of desirable trees and shrubs, since injury may result.

- Application Rates – Apply 4 to 6 pints of product in 20 to 260 gallons of water per acre (1.5 to 2.2 fluid ounces of product in 1 to 6 gallons of water per 1,000 square feet). Use higher rates when using the higher volume of water per acre.

Limitations on broadcast treatments for ornamental turfgrass:

- The maximum application rate is 6.0 pints of product per acre per application. The maximum number of broadcast applications is limited to 2 per year with a minimum of 30 days between applications. The maximum seasonal rate is 12.0 pints of product per acre.