Source: California Invasive Plant Council

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Dactylis glomerata (orchardgrass)

Dactylis glomerata
Dactylis glomerata
Photo courtesy Joseph DiTomaso

Dactylis glomerata (orchardgrass) is an aggressive perennial grass (family Poaceae) widespread throughout California. It grows in any type of soil, is drought resistant, and can overrun-some grasslands. Orchardgrass is a desirable pasture grass but has escaped cultivation in many natural areas throughout the United States.

Cal-IPC Inventory rating: Limited

Cal-IPC Resources on Dactylis glomerata

Cal-IPC News Articles

  • None for this species.

Cal-IPC Symposium Proceedings

  • Corbin, J. D., M. Thomsen, et al. (2004). Out of the frying pan: Invasion of exotic perennial grasses in coastal prairies. California Invasive Plant Council Symposium 2004. Ventura, CA.
  • Sanders, A. C. (1998). Invasive exotics in California: A perspective from inland Southern California. California Exotic Pest Plant Council Symposium '98. Ontario, CA.

Other Resources on Dactylis glomerata

  • USDA PLANTS database - Federal database with information on identification and distribution, and links to websites in individual states.
  • Jepson Online Interchange for California Flora - Information on taxonomy, biology, and distribution from the UC Berkeley Jepson Herbarium.
  • CalFlora - Distribution information by county based on submitted observations and herbarium specimens.
  • CalPhotos - Images of plants taken mostly in California.