Lolium perenne

Perennial ryegrass

Wide spring window and excellent disease tolerance

Very good flexibility in the spring
Especially for a intermediate heading PRG.

Very high rust resistance
The forage quality is maintained even in summer/autumn due to excellent disease tolerance and reduced aftermath heading.

Uses & Mixture proposals
BIRTLEY can be used for:
  • grazing
  • conservation as hay/silage
  • mixed use
In mixtures with:
  • Other PRG varieties 2n or 4n
  • White clover for increased protein content and autonomy in nitrogen fertiliser needs.
  • Wide spring window - 57 days!
  • Early start in the spring
  • Excellent rust tolerance
  • Good persistency


Scale 1-9, where 9 = best or most pronounced

Ground cover
Rust tolerance
Salt tolerance
Winter hardiness
Spring growth

Excellent tolerance to several diseases

Source: GEVES Plaquette fourragères 2012
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