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Q.Queen Annes Lace & Spotted Spurge Pre Emergent

Zone BFL CA 93314 | Anonymous added on June 7, 2025 | Answered

I have 11,000 sq ft of lawn in me back yard, I am looking for a granular Pre Emergent that I can put down that will stop the Queen Annes lace aka Carrot spurge, carrot weed and the spotted spurge I have from coming back as long I continue to periodically put it down. Can you please help me with the name of the pre emergent I need to buy and put down?

GKH_Susan

Certified GKH Gardening Expert

Answered on June 10, 2025

We don't make product recommendations, but your county extension agent does, and here are fact sheets from the University of California on controlling those weeds.

https://wric.ucdavis.edu/information/natural%20areas/wr_D/Daucus.pdf

https://ipm.ucanr.edu/PMG/PESTNOTES/pn7445.html

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