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Shane from South Carolina writes

Can I spray Dimension 2EW as a pre-emergent in January and overseed my lawn in April?

I live in the "inner coastal zone" of South Carolina. The only weed problem I am battling is crabgrass. I plan on aerating early April and overseeding my existing lawn followed by fertilizing. My only concern is, if I spray Dimension 2EW in early January as a pre-emergent will it affect my overseeding and will it be effective in controlling early crabgrass?

Answer:

Yes, you can apply Dimension 2EW in January and then overseed in April as long as you wait a full 90 days between treatments. Overseeding of treated areas within 3 months after a single application of Dimension 2EW, or within 4 months after a split application program may inhibit the establishment of desirable turfgrass.

Answer last updated on: 09/09/2014

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