Mesotrione MESO 4SC Select - Tenacity Alternative

  • $79.99
  • $74.99

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. It is one of the best weed killers for dandelions that won't kill your grass when used as directed.

Featured Benefits

  • 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

Mesotrione MESO 4SC Select contains the same active ingredient as the popular Tenacity Herbicide. This weed killer 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 like dandelions before and during seeding of particular types of turfgrasses.

Mesotrione MESO 4SC Select is a safe weed killer for cool season turfgrass like Kentucky Bluegrass, Turf Type Tall Fescue, Fine Fescue, and Ryegrass. It is one of the best weed killers for lawns.

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 works.

This product shoud NOT be applied on warm season grasses like Bermuda and Zoysia. It can be used on Centipede grass for crabgrass control.

Meso 4SC Select can be used on the following grass types: 

Cool Season Lawns - Kentucky Bluegrass, Turf Type Tall Fescue (all fescues), Ryegrass. 

Warm Season Grass - Centipedegrass and St. Augustine grown for sod. Do not apply to other warm season grasses.

Label: Meso 4SC Select PDF label

Application: Battery-powered 4 gallon sprayer with  TeeJet foliar spray tip recommendedIt is not to be applied via a hose-end sprayer. 

When to Apply: Do not apply if temperatures are over 100F. If temps are that high, apply in the evening when they dip below 100F.

Coverage: One 8 oz bottle can cover 1 -2 acres of lawn area

Application rates:

See product label for application information based on target

For best results, a non-ionic surfactant and marker dye should be added in post-emergence applications. Non-ionic surfactant helps Meso 4SC stick to the weeds better. 

Application sites:

For use in Golf Courses, Sod Farms, Highways, Right-of-Ways, and similar Non-Crop areas, Ornamental Turf-grass (Residential & Commercial), Parks, Cemeteries and Athletic Fields

 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.

Does Meso 4SC Select need to be watered in?

  • No. Meso 4SC Select works via foliar uptake. Simply spray the weeds you're targeting and allow it to dry.

Can I apply granular fertilizer or Essential-G on the same day as Meso 4SC Select?

  • Yes. We recommend that granular fertilizer and Essential-G be applied before Meso 4SC Select.

Can I apply other liquids and Meso 4SC Select on the same day?

How long does it take for weeds to die after spraying with Meso 4SC Select?

  • It depends on the weed being targeted and temperature. Most weeds begin to yellow within 14 days of application.

Should I use surfactant with Meso 4SC Select?

  • Yes. For best results we recommend using a surfactant with Meso 4SC Select.

Are there temperature restrictions with this product?

  • No. While there are no temperature restrictions, we don't recommend spraying your lawn with Meso 4SC Select when temperatures exceed 90F as temporary injury may occur.

How long should I wait before resuming mowing?

  • For best results do not mow 2 days before application and 2 days after. For example, if you plan to spray MESO 4SC Select on Saturday, your last mow would be on Thursday. You would resume mowing on the following Tuesday.


Shipping: United States Only.

Currently NOT shipping to: (AK,HI,AZ,NM,NV,OR,WA,WY)

We can not ship to PO Boxes

Typically delivered in 4 - 7 business days.

Cancellations | Returns | Exchanges: All sales are final, no cancellations, returns, or exchanges