Lolium perenne

Perennial ryegrass

KEYSTONE - Your Topmost Ingredient to Success!

Consistency: The KEYword
Consistency is the keyword describing the regular high performance of KEYSTONE. In the final report from NTEP-USA, KEYSTONE shows consistent high ranking whether expressed as lowest/highest score over all locations or when expressed as "sum of ranks".

TurnKEY Solutions
The consistency also shows in the wide adaptation to various uses from golf fairways via athletic fields to home lawns. KEYSTONE is perfect for making up the skeleton in the majority of blends whether intended for professional or private purposes – TurnKEY solutions for your customers!

Staying Alive, Healthy and Attractive!
Throughout spring, summer and autumn the live ground cover ratings of KEYSTONE are consistently good. So is the resistance towards all major turfgrass diseases like leafspot, crown rust, snow mold, dollar spot and red thread. The visual performance is underlined by a very high density and fine leaf texture. The colour is intense dark green.

Low Input - High Performance
KEYSTONE performs very well in the NTEP "home lawn" trials, meaning high performance with low input of nutrients, water and pesticides. Low input is more and more and issue for professional purposes for environmental and economical reasons.


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

Wear tolerance
Rust tolerance
Red thread tolerance
Salt tolerance
  • Very dark green colour
  • Consistency
  • Staying alive and attractive
  • Low input - high performance

Performance in three management systems

Source: USA-NTEP 2000-2003 data. Comp. to standard