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Pest Information

Rough Cinquefoil

Rough Cinquefoil

  • Latin Name: Potentilla Norvegica
  • Common Name: Rough Cinquefoil
  • Other Names: Norwegian cinquefoil

Pest Details

Rough Cinquefoil
Rough Cinquefoil
Rough Cinquefoil
Rough Cinquefoil

Origin:

Native to North America, and present throughout the continent and north to Alaska.

Biology:

A perennial weed that reproduces from seeds, but spreads by rhizomes as well. It is found commonly in turf and landscape, thriving best in poorly maintained conditions. It also is found along roadsides and in disturbed sites, and in meadows, wooded areas, and open fields. Many cinquefoils are sold as ornamental ground coverings, and can become invasive from the site where planted.

Identification:

Mature plants grow more erect than some other cinquefoils, and this species differs by having no stolons and by having only 3 leaflets on the compound leaves. Leaflets are elongate oval, much narrower at the base than the tip, with rounded tips and deeply toothed margins, and they are hairy and dark green on both the upper and lower surfaces. The greenish to reddish stems also are covered with long, erect hairs. Flowers are bright yellow and are produced on long stalks that arise from the leaf axils. The 5 petals are well separated at their bases, and surround the prominent stamens.

Characteristicts Important to Control:

Physical removal is generally ineffective due to the underground rhizomes. A systemic herbicide will be effective in controlling the entire plant. Good turf health and vigor will reduce the ability for the weed to grow well in the turf.

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