Illinois Exotic Species:
orchard grass Dactylis glomerata

Orchard grass is a native of Eurasia and South Africa. It was introduced to the United States as a hay and pasture grass and has escaped from cultivation. Orchard grass may attain a height of one and one-half to five feet. Flowers are produced in rounded clusters on short, stiff side branches. Flowering occurs from May through July. Plants may be found growing in roadsides, fields and waste places and commonly invade an area after it has been disturbed. It is tolerant of both shade and bright sunshine. Orchard grass may be found throughout Illinois. Seeds remain viable for two to three years or more.

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