Horsepower Selective Herbicide

Horsepower is a three-way, selective post-emergent herbicide that controls dandelions, chickweeds, knotweed, clover, cocklebur, plantains, oxalis, spurge and a wide range of other broadleaf weeds. With its highly concentrated formulation, Horsepower treats up to 4 acres per gallon. Because Horsepower doesn't contain 2,4-D, it's an ideal weed control solution for 2,4-D sensitive areas.

  • Contains triclopyr for broad-spectrum control of hard-to-kill broadleaf weeds
  • Controls more than 150 different weeds
  • Ideal for 2,4-D-sensitive areas
  • Highly concentrated formulation treats up to 4 acres per gallon
  • Can be used for spot treatment
  • Helps manage annual use limits of 2,4-D
  • Non-restricted use in NY

Recommended application rate: Apply 2 to 3 pints in 20 to 240 gallons of water per acre (0.73 to 1.10 fluid ounces in 0.5 to 5.5 gallons of water per 1,000 square feet) to control weeds growing in turfgrasses planted to bluegrass, fescue, rye, bent (excluding golf course greens and tees), bahia, bermuda and zoysia.

The maximum application rate is 3.2 pints (1.5 lb ae) per acre per year.

Make up to two applications per year with a minimum retreatment interval of 21 days.

Active ingredients:
48.99% MCPA
5.59% Triclopyr
4.82% Dicamba


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Terms and Conditions

No oral advice or written information given by Seed Ranch shall create a warranty.

Seed Ranch is a seller of various products. Seed Ranch does not warranty the safety or effectiveness of any of the products listed on this website. Any warranty or guarantee of safety or purpose for any particular use lies solely with the manufacturer.

Pest Control Products always have a label attached, and it is hereby noted that for all purposes, the label is the law, and according to federal law, the product label must be followed, and any pesticide product must be used according to the label directions.

Any advice or recommendations given by Seed Ranch or anyone representing Seed Ranch will never be intended to take the place of the pesticide label. The pesticide label is the law and a legal document.  Always read and follow the label directions before using any pesticide product.

Some of the products sold by Seed Ranch may require special licensing training or registration of the user in that user’s State, County, City, Etc. It is the sole responsibility of the purchaser and/or the end user to provide a license, permit, registration, etc. If required by that purchaser’s local or state authorities. It is the sole responsibility of the user to verify that any products purchased are licensed for use in their State, County, or City.

The customer assumes all responsibility for the safe, proper, and legal use of any products they purchase. The products we sell are intended for personal and professional use only, in accordance with the customer's state laws and restrictions.

  • It is a violation of Federal law to use this product in a manner inconsistent with its labeling. 
  • This product cannot be used for any purpose that it is not labeled for.
  • The Label is The Law.

We will follow all applicable federal and state laws and regulations regarding the sale of pesticide products.

We will not accept bids from, sell to, or ship to states in which the pesticide is not registered as a general-use product.