IPMP3.0, Oregon State University, Copyright 2000

Italian Ryegrass
Gramineae (Lolium multiflorum)


Biology and Management

Registered Herbicides

[Return to weed Identification]

[Return to Weed Management]


Italian Ryegrass (link to large image)

Italian Ryegrass Stem (link to large image)

Italian Ryegrass Seeds Italian Ryegrass Stem

Italiian Ryegrass (link to large image)

Italian Ryegrass is an annual. Erect stems often purplish at base and 1 to 2 1/2 feet tall. Shiny, dark green leaves have prominent veins. Long spikes have spikelets that are alternate along the stem.

Italian Ryegrass Mature Plant


This section contains information on identification of the different life stages of Italian Ryegrass.  Select Biology and Management from the Contents Menu for more information on the biology and management, or select Registered Herbicides for the herbicides that are registered to control this weed in mint.