Now is not too early. Before the weed seeds germinate->

I don't know the chemical names, but it is similar in the way it works to Crabgrass Preventor. Put it down and it forms a barrier keeping seeds from germinating and growing. Same idea with Preen in my experience.

In response to this post by EDGEMAN

Posted: 03/14/2022 at 8:05PM

Preen users, how and when should I put this down? -- EDGEMAN 03/14/2022 3:59PM

Now is not too early. Before the weed seeds germinate-> -- HOKIERIT 03/14/2022 8:05PM

We mix it in with our mulch as we spread it… -- Rinoki21 03/14/2022 7:17PM

Dithiopyr, preemergent herbicide -- typed by ben 03/14/2022 4:48PM

Threadjack , when do I apply grub killer? -- Spudnut 03/14/2022 7:18PM

Unfortunately I don't know -- typed by ben 03/14/2022 8:22PM

[Spudnut brings buckets of nasty grubs to @typed by ben ‘s yard] -- Spudnut 03/14/2022 9:09PM

If they get into my putting green yeah I might have to take a crash course! -- typed by ben 03/15/2022 05:01AM

For lawn, you should be putting Scott's Halts down now. A weed blocker, not -- Stork 03/14/2022 4:07PM

Also recommend Prodiamine granular or liquid pre-emergent. Get it down -- 91HokieBob 03/14/2022 6:16PM

I've seen a few dandelion flowers popping up... -- EDGEMAN 03/14/2022 4:22PM

Halts goes down when the Forsythia begins to bloom is the old-> -- HOKIERIT 03/14/2022 8:07PM

Now is not too early. Before the weed seeds germinate->

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