What is paspalum?

(Paspalum dilatatum)

Paspalum (stem and leaf blade), photo: Ann Dennis 2002

Paspalum is a troublesome weed of garden lawns, roadsides, orchards and similar areas.

How to identify paspalum

  • Paspalum is a tufted perennial (long-lived) grass that normally grows up to 150 cm tall. However, in mown situations, the plant can be prostrate (growing close to the ground) with only the flowering heads produced above mowing height.
  • For help in identifying paspalum, search the Dennis Morris Weeds and Endemic Flora Database for paspalum illustrations If you are still in doubt about the weed you are dealing with, contact your Regional Weed Management Officer on 1300 368 550 for help.
Paspalum flowers, photo: Ann Dennis, 2002Paspalum, photo: Steven Thorsted 2006
Image top: Paspalum stem and leaf blade, photo: Ann Dennis, 2002
Image above left: Paspalum flowers, photo: Ann Dennis, 2002
Image above right: Paspalum, photo: Steven Thorsted, 2006

Paspalum in Tasmania

  • Paspalum is not declared in Tasmania.
  • Paspalum is common in pastures, roadsides, orchards, gardens and lawns in Tasmania.
  • Paspalum grows vigorously in areas receiving high moisture during summer, including irrigated areas such as turf, orchards, garden lawns, plantations, vineyards and roadsides. Paspalum commonly establishes in roadside drains where it gets sufficient moisture from road runoff.
  • In orchards and similar areas, paspalum competes with trees for water and soil nutrients. Paspalum can form thick stands, interfering with harvesting and providing shelter for vermin.
  • Paspalum is of limited use as a pasture species in Tasmania. In most areas it is dormant from mid autumn to late winter and requires high temperatures, irrigation and high soil nitrogen levels for satisfactory productivity. Where these conditions exist, other pasture species are generally preferred.

Detailed management and control guidelines for paspalum can be found in the Paspalum Control Guide. Refer also to Herbicides for Paspalum Control. For further information see DPIPWE's Weed Links and Resources.

See also
Paspalum Control Guide
Herbicides for Paspalum Control
Weed Links and Resources

Other useful links
Pest Genie

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