Primesource Meso 4 SC Select

I would highly recommend this as it has done wonders for my yard. I combined it with the--Adios! Spray Boost Surfactant for Herbicide and Weeds--when planting new grass, and it has absolutely demolished the weeds! I have the least amount of weeds in my newly planted grass, which if you have planted grass before is unheard of. I will be a returning costumer and am very pleased with this product. The rest of my lawn is now looking delightful and the weeds have been crushed into oblivion!

This meso really works even though you don't see full bleaching until a week in. And when the included syringe works out to 1 teaspoon product per gallon or 3.6 oz per acre, we probably should stick with that starting out. This is my first time using liquid mesotrione, and I went a little over to 1.2ish teaspoon mixed into a gallon tank for spot spray with no added surfactant or anything. Two weeks later, even my fescues were still very very white, lol. Used as directed, mesotrione is a wonderful thing for seeding time.

This type of weak killer works great. Lawn services told me grassy type of weeks cannot be killed. They were wrong! I have used this weed control and totally eliminated grassy weeds and leaves actual grass to grown. It’s best to apply twice with about three weeks between.

I used Tenacity for the first time in 2018, and the results were negligible. I'm sure it had something to do with my inexperience and fear of using too much. However, the next time (earlier this 2019 year), I used more with the same results. I ended up using all of it on my .37 acres. I needed more, but the price went from $65-ish to OVER $112! No way was I going to pay that! I searched and found this Meso 4 that has the same ingredients, and I'm glad I did. It worked better (for me) than Tenacity. I'm not saying Tenacity does not work, but this worked like everyone described Tenacity should have worked for me; at a price I can deal with.Reviews are complaining about not receiving a syringe like Tenacity. Well, I didn't get one when I purchased this, nor the Tenacity, so it was a non-issue for me. I still have the syringe I previously bought. Why don't those reviewers still have theirs?

Excellent weed control and what is nice is that you can use it multiple times a year with little risk to your grass. Also, very economical.

According to the directions, mesotrione can be used on the same day that new, cool-season grasses are seeded. I carefully applied the product according to the directions. The yellow nutsedge and crabgrass grew just fine, but most of the grasses died after they germinated (Kentucky Blue, tall fescue, perennial rye). This was despite the addition of proper amounts of nitrogen and water (twice daily) and a protective layer of a straw product manufactured for seeding. This was done in spring and the soil was kept consistently moist. My suspicion is that the lot of product that I received was not chemically pure. The product was applied at the coverage rate indicated at a concentration of 1 teaspoon per 2 gallon including 2 teaspoon non-ionic surfactant (Herbicide Helper). Some mature grass bordering this large patch was also killed to 100% while the weeds that were supposed to be killed mostly thrived. I believe the batch I received was defective. A sticker on the bottle reads "30010" which is possibly the batch. The bottle arrived in leaking condition. I wish I would have just returned it.UPDATE: I have made my rating neutral to 3 stars to reflect new information. In September, there was a large emergence of a somewhat rarer insect pest in the area, craneflies. There is a good chance that they could have eaten the roots of the turf grass. However, this product still did not help with crabgrass or nutsedge, so marking it up from 1 star to 3.

After I first applied this product on my lawn I was wondering if it was working when a few days had passed. Now after about 2 weeks my lawn is mostly white because it had so much windmill grass and this stuff really works. It really does stop the photosynthesis and the bad stuff turns white. Now I just have to reseed my lawn and keep the tumble grass at bay now that I know what it is and how invasive it is.

It came in a little bottle, but it's very potent. Three eye droppers for 18 gallons of water. Works best after the second application.