Hypericum boreale, also known as northern St. John's-wort, is a short-lived perennial species of flowering plant in the family Hypericaceae, section Trigynobrathys.

These include having more oblong and blunt sepals, fewer flowered clusters that are more leafy, and more broad and round leaves.

[4] The fruit is an oval to ellipsoid capsule around an eighth of an inch long, and is a reddish to deep purple color.

[7] While H. boreale is considered to be secure globally and nationally in the United States and Canada, it is still somewhat threatened because of fragmentation and habitat loss due to the disruption of wetlands.

[8] This article incorporates public domain material from websites or documents of the United States Department of Agriculture.