Is it Safe to Aerify after Applying a Preemergence Herbicide? – Turfgrass Science at Purdue University

Is it Safe to Aerify after Applying a Preemergence Herbicide?

It is not uncommon for me to receive questions regarding whether it is OK to aerify an area when you’ve already applied a preemergence herbicide to control crabgrass. Will aerifying break the herbicide barrier and reduce my crabgrass control? The answer to this and more can be found here in a recent post I wrote at Turf Republic.

To Aerify or Not to Aerify when Using a Preemergence Herbicide

 

Aaron Patton, Turfgrass Extension Specialist
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