Field Woodrush (Luzula campestris) is noticeable in a lawn in early spring. It can be easily seen as a patch of thicker-type grass, with hairy leaves that have tassel-like black and brown flowers protruding a couple of inches above the usual level of the lawn.
It usually spreads in small patches, but can spread to a couple of metres across if left unchecked.
Luzula Campestris is member of the rush (Juncaceae) family of plants.
Field Woodrush loves acidic lawns
Woodrush is most common in acidic lawns. It is most happy where lawn thatch has built up, weakening the grass and lowering the pH.
Field Woodrush can be controlled through an application of a weed-control as part of a regular treatment package, and I also recommend reducing the acidity through a pH adjustment treatment in the autumn.
If you have a problem with weeds in your lawn, then get in touch. I will be happy to advise.