Pyrimisulfan for Yellow Nutsedge

Kentucky bluegrass, Fescue, Rye and Bent, etc
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Joined: May 15th, 2013, 6:47 pm
Location: Merrimack Valley MA (6a)
Grass Type: Midnight, Award, Bewitched KBG
Lawn Size: 10000-20000
Level: Experienced

Pyrimisulfan for Yellow Nutsedge

Post by merrimack » July 6th, 2021, 7:00 pm

I have been rotating between halosulfuron, sulfentrazone, and mesotrione in a multiyear process to get yellow nutsedge under control. I started the regimen again this May when the nutsedge was visible but before it was really growing in earnest. Starting earlier this year seems to have made a big difference.

Is pyrimisulfan worth adding to the arsenal? It comes in a granular format that I was considering using on sedge to avoid drift onto the garden adjacent to the lawn. It seems to be much more expensive, but I would consider paying extra for peace of mind.

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