Pollen Type: Grass
Cross-Reactivity: Northern Grasses
HS Allergy Extract: Orchard Grass, Standardized
Genus/Species: Dactylis glomerata L.
Common Names: Orchard Grass
Distribution: Throughout the United States.
Locations: This grass is commonly cultivated as a meadow and pasture grass, and is used as ground cover in orchards. Orchard Grass is also a valuable crop for hay. It is common in fields and waste places, preferring moist conditions. Orchard Grass is also used as reclamation vegetation due to burned, logged, and mined sites.
Pollination Method: Cross-pollinated (seeds)
Pollinating Period: Spring into Fall
Description: Orchard Grass is a coarse perennial grass that grows 2’-4’ tall. The panicle, or pyramidal loosely branched flower cluster, is 2″-10” long. It has few somewhat stiff branches which spread or rise at flowering and are weighed-down at maturity. The blades are flat and the culms (grass stems) typically grow in large clumps.