Birmingham, Alabama
Pottsville, Arkansas
Ceres, California
Rehoboth Beach, Delaware
Woodstock, Georgia
Centerville, Iowa
Erie, Michigan
Saint Helen, Michigan
Cole Camp, Missouri
Saint Louis, Missouri
Euclid, Ohio
Coatesville, Pennsylvania
Downingtown, Pennsylvania
Feasterville Trevose, Pennsylvania
Millersburg, Pennsylvania
Norristown, Pennsylvania
Wakefield, Rhode Island
Columbia, South Carolina
Hendersonville, Tennessee
Wytheville, Virginia
show all
This herbaceous perennial spreads aggressively both by rhizomes and by self-sowing. Fairly weedy here in Massachusetts.
Na...Read More
I see this Eurasian perennial occasionally in different spots in fields and roadsides in eastern North America as a wildflower. I am not ...Read More
Classified as a prohibited noxious weed by Govt. Alberta
Please check your province/state
Our St. John's Wort is the hardiest ground cover herb in the Lasalle community garden (Minneapolis 55403) its yellow flowers bloom most ...Read More
This plant grows wild where I am, (the Mid-Atlantic). It's not a really showy plant, not suited for a perennial or flower garden. Alth...Read More
Hypericin compounds found in flower petals, leave and stem tissue are said to have antidepressant effect in humans, but can cause light sensitivity.
Perforated St. John's Wort is found in drier conditions than other species.
A popular herb in medieval times, St. John'...Read More