St. Johns Wort 'Topas' - Hypericum perforatum salvia black and blue The cold hardiness is undetermined

The cold hardiness is undetermined

this plant does well in moderately sunny spots where the soil remains moist during the summer

so be warned

Light requirements: full sun to medium sun

St. Johns Wort 'Topas' - Hypericum perforatum salvia black and blue The cold hardiness is undeterminedSt. John's Wort has been used medicinally for thousands of years, and makes a hardy perennial plant in most cooler locations. Attractive yellow flowers form in summer, which, along with some leaves, are what people harvest to make tea. This variety has been bred to have higher concentrations of active medicinal compounds. It can spread aggressively in some locations with underground runners or seeds, so make sure to keep this in mind if you plant it