Learn how to care for this perennial shrub and help it thrive. Learn about hypericum perforatum, a perennial plant with showy, star-shaped, yellow flowers and translucent leaves. John’s wort (sometimes commonly called perforate st. Perforatum is the type species of its genus, known for its historical use in folklore and traditional medicine. Find out its description, cultivation, uses, and poison characteristics. Johns wort (hypericum perforatum) is a beautiful yellow flowering plant. Johns wort, goatweed or klamath weed) is an upright, many-branched, stoloniferous, yellow-flowered, herbaceous perennial (some say perennial weed) that is native to europe, western asia and northern africa. Attenuatum and h. Maculatum (imperforate st. St johnswort has been found to perform equally well in acid and calcareous soils. Find out its hardiness, growth, uses, and cultivation tips. It grows to one and a half to three feet in height and around one and a half feet across. Hypericum perforatum, st. It is a hairless, perennial herb with woody roots, yellow flowers marked by black glands, and leaves that appear perforated due to translucent glands, producing thousands of seeds per plant. Johns wort) that originated in siberia, the species has spread worldwide. Hypericum perforatum, commonly known as st. Johns wort, is a flowering plant in the family hypericaceae. Learn about hypericum perforatum, a perennial shrub with yellow flowers and medicinal uses. Probably a hybrid between the closely related h. · hypericum perforatum is the true st john’s wort in the genus hypericum and is a small to medium-sized herbaceous shrub with yellow flowers. Generally, the plants require more water (35–40 in) in areas with winter rains, and less (10–12 in) in areas with winter snow.
