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Pest Information

Oldfield Cinquefoil

Oldfield Cinquefoil

  • Latin Name: Potentilla Simplex
  • Common Name: Oldfield Cinquefoil
  • Other Names: Common cinquefoil

Pest Details

Oldfield Cinquefoil
Oldfield Cinquefoil

Origin:

Native to North America, and found throughout the eastern half of the U.S., with the exception of Florida, and into southern Canada.

Biology:

A perennial that reproduces from seeds and may spread due to stolons, which are long, thin, and wiry. Foliage dies back in the winter. Found in wooded areas, fields, and roadsides and other disturbed areas.

Identification:

Plants generally remain low to the ground, with the leaves on long stalks arising from the base of the plant. Leaves are compound, and are divided into 5 leaflets that are elongate-oval, wider at the outer end, and with strongly toothed margins. They are dark green above and a lighter green on the lower surface. The bright yellow flowers arise singly on long stalks, with 5 broad, round petals that have a slight notch at their tip.

Characteristicts Important to Control:

A systemic selective broadleaf herbicide will be effective when this weed is growing in turf, and in other situations a non-selective systemic herbicide will work.

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