how to kill this weed

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Sean Scally asked 6 years ago

The weed in the attached photo is growing like wildfire in my field beside my house on Achill Island. I cannot kill it. Do you have any suggestions as to how to take care of this?

1 Answers

Gerry Daly Staff answered 4 years ago
This is black bog rush, a sedge species, common in the west of Ireland on boggy ground.

You can kill the existing plants with a directed spray of glyphosate, but if you don’t improve drainage,  it is likely to re-establish from seeds in the ground.

Or mow it down to tidy it. 

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