Mesotrione MESO 4SC Select (brand alternative - Tenacity®)
Mesotrione MESO 4SC Select (brand alternative - Tenacity®)
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Mesotrione MESO 4SC Select (brand alternative - Tenacity®)

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Shipping restrictions to the following states (AK, AZ, HI, NM, NV, OR, WA, WY)

Mesotrione MESO 4SC Select™ (brand alternative - Tenacity®) is a unique herbicide formulated for both post and pre-emergence and controls over forty-five broadleaf weed species and grasses in turfgrass.

  • One 8 oz bottle covers 1-2 acres
  • Active ingredient is 40% Mesotrione
  • Great for targeting a variety of weeds such as chickweed, clover, crabgrass, dandelion, foxtail, henbit, and nutsedge
  • This is the generic version of Tenacity Herbicide

Product Description:
Mesotrione MESO 4SC Select contains the same active ingredient as the popular Tenacity Herbicide. This herbicide represses photosynthesis in susceptible and receptive plants as it is absorbed systemically through roots, leaves, and shoots. It can be effectively used against weed invasion and also promotes excellent control of tough-to-control weeds before and during seeding of particular types of turfgrasses.

This formula can be used anytime during seeding including overseeding of established turfgrass, during renovation, or bare ground seeding. Weeds are expected to die and wither within 3 weeks from the application, turning the weeds white in color due to the loss of chlorophyll. Whitening of the turfgrass is common but temporary and typically occurs between 5 to 7 days after application and may last for several weeks.
A non-ionic surfactant should be added in post-emergence applications.

Application Information:
Use the included syringe to dilute Mesotrione with water in a pump or backpack sprayer.
Mesotrione can be used on the following grass types:
Cool Season Lawns - Kentucky Bluegrass, Turf Type Tall Fescue, Fine Fescue, Ryegrass.
Warm Season Lawns - Centipede, Buffalograss
Note: Mesotrione is labeled for St. Augustine Grass, but only on sod farms, not home lawns
DO NOT apply this product on bentgrass, kikuyugrass, zoysiagrass, seashore paspalum, or bermudagrass

 Coverage/Gallon One 8 oz bottle can cover 1 -2 acres of lawn area
Application  Details See product label for application information based on target
Water-In  Instructions

No need to water this product in if used as a post-emergent herbicide. However, if you are using it as a pre-emergent at the time of seeding, then you do want to water it in with ¼” of irrigation or rainfall.

  • Label: Meso 4SC Select PDF label
  • Package Includes:  One 8 oz Bottle
  • Storage: Store in a cool dry place away from direct sunlight. The product will store for 2 years under warehouse conditions.

Shipping Information:

Shipping costs

Included for most states within the U.S.
NO P.O. Boxes

State Restrictions
Alaska (AK), Arizona (AZ), Hawaii (HI), New Mexico (NM), Nevada (NV), Oregon (OR), Washington (WA), Wyoming (WY)


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Typical Delivery Time

4 - 7 business days

Product Type Liquid Concentrate
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Important: Always read and follow label instructions. Some products may not be registered for sale or use in all states or counties and/or may have state-specific use requirements. Please check with your local extension service to ensure registration status and proper use.  This information is for reference only. It is the responsibility of the user to verify the product is registered and appropriate for use in a given state.