Department Header For Noxious Weed Division
Yellowstone County, Montana
Noxious Weed
Weed Information Contact Department

Sulfer Cinquefoil
(Potentilla recta L.)


Sulfur Cinquefoil
Photo by Tom Whitson, Roy Reichenbach

Produced by Wyoming Weed & Pest Council in cooperation with Sandoz Crop Protection Corp.

Sulfur Cinquefoil Rosetta

Sulfur Cinquefoil Stem

Sulfur Cinquefoil Leaf

Sulfur Cinquefoil Bloom

Sulfur Cinquefoil Plant

Sulfur Cinquefoil Infestation

Growth Habit: Erect, long-lived perennial, plant may form a ring of plants as the older center dies out and new stems grow on the outside edges.

Leaves: Palmate compound, 7 leaflets, course stiff hair on upper and lower surfaces, yellowish green.

Stem: One of several, 12 to 28 inches tall, branched near top, covered with hairs. Numerous leaves along stem, few from base.

Flower: 1/2 to 1 inch in diameter, pale yellow, large yellowish green buds. May bloom late May throughout summer.

Roots: Woody (No rhizomes).

Seeds: Very tiny 1/20th inch in diameter, rough.

Reproduction: Seed

Biological Controls: None are used in Yellowstone County at this time.

Herbicides: Tordon & 24D, Escort