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Perennial Ryegrass (Lolium perenne)

Identifying Characteristices
Stolons absent
Rhizomes absent
Leaves folded in the bud
Ligule membranous, medium tall, toothed near the tip
Collar narrow
Auricles short, not clasping the stem
Sheaths reddish below ground, smooth
Blades from 1/8 inch to 1/4 inch wide
Seedhead a long, narrow spike, with spikelets placed edgewise along the main stem
Spikelets flattened, without awns, 6 to 10 seeds
 
Tolerance Table
 
Recommendations
Mowing Height: 0.5 to 2 inches
Establishment: Seed
Fertilization: 2 to 4 lbs/ 1000 ft2/ Year
Adaptation: Overseeding [View Map]
 
General Description
A dark green tufted perennial which forms a durable turf. Occasionally found as a weed in fine-bladed grasses. Occurs throughout the northern states and as far west as California.
 
Current Articles
Herbicide Effects on Perennial Ryegrass Transition to Bermudagrass
Weed HTML PDF
Influence of Herbicides on the Spring Transition of Bermudagrass Overseeded with Perennial Ryegrass
Weed HTML PDF
 
Common Problems
Pythium
Brown Patch
Dollar Spot
 
Popular Cultivars
Many
 
 
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