Whorled loosestrife

Prepared by Jennifer L. D’Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated February 2018.

Scientific name: Lysimachia quadrifolia L.

Common name(s): whorled loosestrife, whorled yellow loosestrife

Links: USDA PLANTS Profile, NPIN Profile, Go Botany

Images: (to see enlargements [PC]: click on image, then right click and choose “view image”)


– perennial

-Leaves are simple and whorled up the stem in groups of 4-5

  • smoothed edged (entire) and elliptical shaped

-fruits from August to October

-spreads by rhizomes and seeds

-attracts pollinators

– may be confused with L. punctata; see left sidebar of Go Botany webpage



-prefers moist soils

-adapts to drier soils

-full to part sun



North Carolina State Extension (2020). “Lysimachia Quadrifolia.”  (Whorled Loosestrife) | North Carolina Extension Gardener Plant Toolbox, plants.ces.ncsu.edu/plants/lysimachia-quadrifolia/.