About 188,000 results
Open links in new tab
  1. Hypericum - Wikipedia

    Hypericum species are quite variable in habit, occurring as trees, shrubs, annuals, and perennials. Trees in the sense of single stemmed woody plants are rare, as most woody species have multiple stems …

  2. Saint-John’s-wort | Description, Species, & Uses | Britannica

    Saint-John’s-wort, (genus Hypericum), genus of nearly 500 species of herbs or low shrubs in the family Hypericaceae that are native to temperate and tropical areas.

  3. St. John's wort - Mayo Clinic

    Mar 21, 2025 · John's wort gets its name because it often blooms on the birthday of the biblical John the Baptist. The flowers and leaves of St. John's wort have active ingredients such as hyperforin. St. …

  4. How to Grow and Care for St. John's Wort - The Spruce

    Oct 1, 2025 · St. John's wort is a perennial shrub known for its delicate yellow flowers, thriving in a range of conditions. This hardy plant, also called goatweed or Klamath weed, can grow in various soil types …

  5. Hypericum - Plants & Flowers Foundation

    Hypericum. popularly known as St John's wort, is part of the stag hay family (Hypericaceae). Hypericum is hardy, often evergreen and easy to care for. This plant blooms between June and August with …

  6. The Hypericum Guide – Plant Detectives

    Hypericum, commonly known as St. John’s Wort, is a versatile genus of shrubs and perennials admired for their vibrant yellow flowers and, in some varieties, colorful ornamental berries.

  7. Hypericum (St. John's Wort): Uses, Benefits, and Side Effects

    Mar 13, 2024 · Hypericum, scientifically known as Hypericum perforatum, is a flowering plant commonly referred to as St. John’s Wort. It is renowned for its therapeutic properties and is used in various …