You need to put down some Prodiamine but worried that you missed your window. What happens if you are late putting down your pre-emergent?
The answer is that if your soil temps are between 50-70 degrees, go ahead and throw'r down or spray and pray, depending on your favorite way to sling it.
Crabgrass germinates when soil temperatures are between that 50 - 70 degree window and not all of the crabgrass will germinate at the same time. Applying Prodiamine pre-emergent late is better than not applying at all as it can still provide a level of protection for your lawn. This is one of those times that the saying "better late than never' truly does apply.
That being said, if your soil temperatures are over 70, then leave the Prodiamine behind and consider it part of your strategy in the fall.
Here is a video from Allyn with some solid advice:
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Keywords: Prodiamine, late, pre-emergent, applying