Additional notes (click to expand)

Other use

Hypericum olympicum L. Clusiaceae. Mount Olympus St John's wort. Deciduous perennial herb. Distribution Greece, Asia minor. This is not the plant used for mood disturbances in herbal medicine which is Hypericum perforatum. However, all the 370 species of Hypericum are called 'St John's Wort' so a potential for confusion exists. It shares some of the chemicals thought to be active in Hypericum perforatum.
Oakeley, Dr. Henry F. (2013). Wellcome Library notes. link


Toxic as causes photosensitivity and toxicity.
Professor Anthony Dayan, 2022

Geographical distribution

  • Asia-Temperate
  • Europe

Hypericum olympicum L.

Genus: Hypericum
Species: olympicum L.
Common names: Mount Olympus St John's Wort
Distribution summary: S.Europe, S.W.Asia
Habit: Perennial
Hardiness: H5 - Hardy; cold winter
Habitat: Dry, grassy slopes amongst rocks , usually on calcareous soils
Garden status: Currently grown
Garden location: seed waiting to be sown or germinating in greenhouse or frame (seed), Classical Europe & Middle East (I)
Flowering months: May, June, July, August
Reason for growing: Medicinal, toxic

Back to List