Gordons Trimec Lawn Weed Killer Concentrate is specially formulated to help control more than 230 nuisance weeds without harming your lawn. This concentrated herbicide features a 3-way blend to provide effective control of broadleaf weeds such as aster, beggarticks, bindweed, bittercress, carpetweed, chickweed, clover, dandelion, dock, ground ivy, henbit, and more in Northern and Southern grasses. It is labeled for use on Bahiagrass, Bermudagrass, Fescues, Kentucky Bluegrass, Perennial Ryegrass, Zoysiagrass, Centipedegrass and St. Augustinegrass.
Do not apply this product in a way that will contact any person or pet, either directly or through drift. Keep people and pets out of the area during application. Do not allow people or pets to enter the treated area until sprays have dried.
Not for use on turf being grown for sale or other commercial use as sod, or for commercial seed production, or for research purposes.
Use on established lawns. Will not harm lawn grasses when used as directed (Do not use on carpetgrass, improved varieties of St. Augustinegrass, such as ‘Floratam,’ dichondra or desirable clovers)
The turf tolerance of centipedegrass and St. Augustinegrass can range from sensitive to tolerant. Do not apply this product to Floratam’ St. Augustinegrass in Florida.
Do not apply as a fine mist because of potential for injury to desirable plants.
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.
Do not apply directly to or near water, storm drains, gutters, sewers, or drainage ditches. Do not apply within 25 feet of rivers, fish ponds, lakes, streams, reservoirs, marshes, estuaries, bays, and oceans. Do not apply when windy. To prevent product run-off, do not over water the treated area(s) to the point of runoff or apply when raining or when rain is expected that day. Rinse sprayer over lawn area only.
How Much To Apply:
Bahiagrass, Bermudagrass, Fescues, Kentucky Bluegrass, Perennial Ryegrass and Zoysiagrass:
Spot Treatments: Mix 1 fl.oz. (2 Tbsp) in 1 gallon of water to treat 250 sq.ft.
Entire Lawn Treatments:
Pump Style Sprayer: Mix 4 fl.oz. in 0.5 to 1 gallon of water to treat 1,000 sq.ft.
Hose-End Sprayer: Apply 4 fl.oz. per 1,000 sq.ft.
12 Volt and Tow-Behind Sprayers: Mix 4 fl.oz. in 0.5 to 1 gallon of water to treat 1,000 sq.ft.
Centipedegrass and St. Augustinegrass:
Spot treatments: Mix 0.5 fl.oz. (1 Tbsp) in 1 gallon of water to treat 250 sq.ft.
Entire Lawn Treatments:
Pump Style Sprayer: Mix 2 fl.oz. in 0.5 to 1 gallon of water to treat 1,000 sq.ft.
Hose-End Sprayer: Apply 2 fl.oz. per 1,000 sq.ft.
12 Volt and Tow-Behind Sprayers: Mix 2 fl.oz. in 0.5 to 1 gallon of water to treat 1,000 sq.ft.
How To Apply:
Pump Style Sprayers:
Ideal for spraying individual weeds
Add the appropriate amount of water and concentrate to the sprayer tank.
Close sprayer, shake well, and pump handle to pressurize.
Adjust nozzle to deliver a coarse spray pattern.
To broadcast over large areas: apply evenly to treated area.
To treat individual weeds: spray to wet weed leaf surfaces.
Re-pressurize the sprayer as needed to maintain a good spray pattern.
12 Volt and Tow-Behind Boom Sprayers:
Ideal for treating large country and suburban lawns
To calibrate your application equipment consult your equipment owner’s manual for speed and pressure settings required to deliver 0.5 to 1 gallon of spray solution to treat 1,000 sq.ft.. For example, at 4 mph a sprayer might deliver 1/2 gallon per 1,000 sq.ft. at 40 psi.
To apply evenly, drive at a constant speed that delivers the prescribed amount of spray required for the area to be treated.
Mix the appropriate amount of product and water in the sprayer using the following tables as a guide.
Concentrate Plus Water Hose-End Sprayers:
Ideal for treating medium-sized lawns.
Fill sprayer with sufficient concentrate to cover the total area to be treated. Pour product into sprayer jar to the “Fluid Oz.” level desired (See sprayer jar for markings).
Add the appropriate amount of water to the “Gallons” level indicated on the side of the sprayer jar. Close sprayer, connect to garden hose, shake well.
Extend hose to furthest point from faucet. Walking back towards the faucet, begin spraying, avoiding contact with the treated area.
Apply when weeds are young and actively growing.
Apply 1 to 3 days after mowing.
If the lawn is dry, water 24 hours before using this product.
Do not water lawn within 24 hours after treatment.
Certain hard-to-kill weeds may need to be spot treated in 30 days.
For new lawns, apply only when grass has reached a height of at least 2 inches.
Bare spots may be seeded 3 to 4 weeks after application.
Spray when air temperatures are between 60 deg and 90 deg F with good soil moisture.
Avoid applications during the spring transition of the warm season grasses and during periods of extremely high temperatures.
Broadcast applications to residential turfgrass:
The maximum application rate is 4.0 fl.oz. of product per 1,000 sq.ft. 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 8.0 fl.oz. of product per 1,000 sq.ft.
Spot treatments to residential turfgrass:
Spot treatment is defined as a treatment area no greater than 1,000 sq.ft. per acre. The maximum application rate is 4.0 fl.oz. per 1,000 sq.ft. per application. The maximum number of spot treatments is
limited to 2 per year with a minimum of 30 days between applications.
SEE LABEL FOR WEEDS CONTROLLED, COMPLETE RATES AND INSTRUCTIONS.
This pesticide is toxic to fish and aquatic invertebrates and may adversely affect non-target plants. To protect the environment, do not allow pesticide to enter or run off into storm drains, drainage ditches, gutters or surface waters. Applying this product in calm weather when rain is not predicted for the next 24 hours will help to ensure that wind or rain does not blow or wash pesticide off the treatment area. Rinsing application equipment over the treated area will help avoid run off to water bodies or drainage systems. This chemical has properties and characteristics associated with chemicals detected in groundwater. The use of this chemical in areas where soils are permeable, particularly where the water table is shallow, may result in groundwater contamination. Application around a cistern or well may result in contamination of drinking water or groundwater