(Dactylis glomerata) 

Orchardgrass is a valuable introduced pasture grass. It is a long-lived, cool-season, bunch-type grass, and has been grown in the United States for so many years that many farmers consider it a native grass. At high elevations it is seeded in aspen sites. It is a cross-pollinated species, giving rise to wide variables between individual plants.

Orchardgrass is subject to winterkill if allowed to go into winter in a drought condition. For best production it should be grazed no lower than a 10 cm (4 in.) leaf height. Allow a definite recovery interval between periods of use. Except at higher elevations, where seeding may be done in early summer, the best time for establishing Orchardgrass under irrigation is during August.



4.5 to 9 kg PLS/hectare

4 to 8 lbs. PLS/acre



540,000 per lb. (0.46 kg)



Potomac Orchardgrass is one of the older named varieties of Orchardgrass. It was released in 1954 by the Plant Science Resource Division, Agricultural Research Service, Beltsville, Maryland. More Potomac has been planted in New Mexico than any other variety of Orchardgrass. Potomac is dark green, very leafy, erect, and produces nutritious forage under good management. It is superior to many varieties in persistence and rust resistance.

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