Missoula County MSU Extension Service Weed District

Weed ID

SULFUR CINQUEFOIL

Rosaceae or Rose Family
Potentilla recta

GROWTH HABIT: Long lived perennial, grows 12 to 18 inches tall.

LEAVES: Palmate compound, 7 leaflets, stiff hairs on lower surfaces, yellowish green.

STEMS: Covered in hairs that are twice the length of the stem at right angles, many leaves along stem but few at base, branched near the top.

FLOWERS: Half to one inch in diameter, pale yellow.

ROOTS: Single taproot, may have several shallow spreading branch roots, no rhizomes.

SEEDS: Produces up to 1,650 seeds per plant, viable up to 3 years. Plants can live up to 20-30 years old.

REPRODUCES: By seed.

HABITAT: Found in meadows, roadsides, native grasslands, pastures, and waste places.


"Yep, it's illegal too!"