What Causes Yellow Nutsedge

Yellow nutsedge is most problematic in turf that is mown too short, and it thrives in areas where soils remain moist from poor drainage or over- watering. However, yellow nutsedge can also be a problem in well-drained areas, especially thin turf.

Where does yellow nutsedge come from?

Yellow nutsedge grows throughout California to an altitude of roughly 3300 feet (1000 m). It resembles another sedge, green kyllinga, Kyllinga brevifolia. Yellow nutsedge is cultivated in some countries for its almond-flavored tubers, which are used to make a drink.

How did I get nutsedge in my lawn?

Nutsedge is most problematic in lawns that have poor drainage or stay wet too long. This could be from overwatering with a sprinkler system, a lot of rain, or a combination of both.