Nutsedge (Nutgrass) – Identification
Nutsedge is one of the toughest weeds to control in a lawn or landscape. To further confuse matters, there are two kinds: purple nutsedge and yellow nutsedge.
The kind of nutsedge you have might determine how you’ll control it.
Here are some links and images to help:
purple nutsedge – chain of rhizomes (yellow nutsedge does not form a chain)