Knowledgebase
Thyme patches on lawn #929857
Asked April 28, 2026, 7:17 AM EDT
Merrimack County New Hampshire
Expert Response
Hi D. L.,
Thank you for contacting the UNH Extension Yard and Garden Infoline with your question about how to eliminate the thyme-leaf speedwell patches in your lawn. I have included links to two fact sheets that discuss how to manage the weed.
https://extension.psu.edu/lawn-and-turfgrass-weeds-thyme-leaf-speedwell
https://turfweeds.cals.cornell.edu/plant/thymeleaf-speedwell In this fact sheet click on the conventional controls and minimum risk controls tabs for further information.