Certified Organic Calibra Tetraploid Perennial Ryegrass

Certified Organic

Certified Organic Calibra Perennial Ryegrass is an intermediate heading tetraploid perennial ryegrass (up to 6 days later heading thatn typical early varieties).
Calibra possesses very high disease resistance and tolerates close grazing very well.
Calibra is considered one of our most winterhardy ryegrasses on the market and is very well suited to managed intensive grazing or hay.
When mixed with White Clover, Calibra forms an unbeatable pasture mix.

Certified Organic Calibra has had good trial results in many European countries and is fastly gaining acceptance in the U.S. where it has been trialed in several states with very good results.

*Organic seeds and grains are grown by organic growers that adhere to the strict organic practices that are required by organic producers. No chemical fertilizer, insecticides or herbicides are allowed in producing this seed. Genetic purity is maintained throughout the production and processing of this seed.


Plant at 1/4″ depth. Organic Calibra can be spring or early fall seeded, frost-seeded, broadcast or drilled. Ryegrasses likes moist, fertile soils and will respond to liberal applications of nitrogen.


Perennial Ryegrass like moist, fertile soils and will respond to liberal applications of Nitrogen.

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