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Peter from Norwalk, Ct writes

Would Drive XLR8 kill crabgrass seedheads while killing the crabgrass?

I have full grown crabgrass with seed heads everywhere.

Answer:

Drive XLR8 is a post-emergent herbicide only. So while it will kill existing plants, it does not prevent new seeds from germinating. We recommend using a pre-emergent such as Dimension 2EW in the spring before soil temps reach 55 degrees to prevent new crabgrass from growing next year. 

Answer last updated on: 08/22/2019

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