Annual Ryegrass
Cover Crop Name:
Annual Ryegrass
Scientific Name:
Festuca perennis L.
Growth Season:
Cool Season
Plant Type:
Grass
Life Cycle:
Annual
Plant Architecture:
Upright
Alternative Names:
Italian ryegrass, Rye grass
Relative Water Use:
High
Salinity Tolerance:
Fair to moderate salinity tolerance; varies by cultivar (3 – 6 ds/m)
Seeding Depth:
¼ – ½ inch
Crude Protein:
20% minimum; Digestible dry matter 70%;
Carbon to Nitrogen Ratio:
45
Mycorrhizal Association:
Forms arbuscular mycorrhizal associations
Pollination Type:
Self Pollinator (Wind)
Nitrogen Scavenger Rating:
Very Good
Other Notes:
May become invasive in certain regions/habitats (SW United States); can
displace desirable vegetation if not properly managed. Avoid allowing crop to go to seed. Annual ryegrass should not be used
in crop rotation that utilizes wheat. Several glyphosate resistant biotypes have been identified
Crop Image


Crop Illustration
