Creeping St. John's Wort, Aaron's Beard hi-PER-i-kum kal-e-SI-num
- Semi-evergreen, stoloniferous, ground cover, with procumbent or ascending stems, 12-18 inches (30-45 cm) high. Leaves opposite, simple, ovate-oblong, 5-10 cm long. Flowers yellow, 7.5 cm wide, blooms in early summer, occasionally throughout the summer.
- Sun to shade, some drought tolerance, invasive, "tough", often seen around parking lots and commercial buildings. In the Northwest it may suffer from Hypericum Rust.
- Hardy to USDA Zone 6 Native to southeastern Europe and Asia Minor. This is not the Hypericum species considered by some to have therapeutic properties, that is the herb, St. John's Wort, Hypericum perforatum.
- Hypericum: Greek, hyper, above, and eikon, a picture, it was hung above pictures to ward off evil spirits. calycinum: with a conspicuous calyx.
- Oregon State Univ. campus: southeast Ag. & Life Sciences, many locations on campus.