Liquid or Granular Pre Emergent for Crabgrass | 農藥合法資訊網

2021年1月24日—ReadaboutwhichPre-Emergentisbetter,LiquidorGranularforCrabgrassfromTheLawnCareNutincludingHowProdiamineWorks, ...

Since we started carrying the new 5oz “liquid” prodiamine late last year, one question I’m getting often now is “which is better, liquid or granular prodiamine?”

I’m going to give you a few different reasons why to consider each one, but the short answer is “the best choice is the one that you, the DIYer feel most comfortable applying,” or said another way “the one that you can get down across your lawn the most consistently is the best one to choose.”

I have a comprehensive guide on pre-emergents that is free, download that here[1].

I say that because prodiamine is a pre-emergent herbicide[2] that stops crabgrass from appearing in the lawn. The way it works is that once you apply and water it in, a vapor barrier is created in the top portion of soil. This vapor barrier remains for several months and as crabgrass seeds germinate and grow the young (very young) ...