Genus: St. John's wort Hypericum Photo/Illustration: Steve Silk St. John's wort (Hypericum) hy-PARE-ih-kum Clusiaceae The more than 400 species of Hypericum are annuals, perennials, shrubs, and trees that are found world-wide in a myriad of habitats. They may be decidous, semi-evergreen, or evergreen. Noteworthy characteristics: Various species have attractive autumn color and showy fruit. There is a species for nearly every growing climate and landscape situation. Care: Moist but well-drained soil of moderate fertility. Sun and pruning requirements vary by species. Propagation: For perennials, root softwood cuttings in late spring or divide in spring or fall. For shrubs, root greenwood or semi-ripe cuttings in summer. Sow seed in containers in a cold frame in fall. Problems: Thrips, scale, anthracnose, rust, leaf spots. Species, varieties and clutivars for genus Hypericum 1 2 3 4 5 6 7 8 9 10 11 Tutsan Hypericum androsaemum 'Albury Purple' 1 2 3 4 5 6 7 8 9 10 11 Aaron's beard Hypericum calycinum 'Brigadoon' 1 2 3 4 5 6 7 8 9 10 11 St. John's wort Hypericum frondosum ‘Sunburst’ View the discussion thread.