A picture of a Mount Olympus St John's Wort

Mount Olympus St John's Wort

Hypericum olympicum

Also known as

St John's wort

Hypericum olympicum 1 by http://www.fleurs-des-montagnes.net (CC BY-SA 3.0)

Full Sun
Moderate watering
Frost Hardy

H4

RHS hardiness

-10°C

Minimum temperature

Expected size

Height
Spread

50cm

Max

50cm

10cm

Min

10cm

10 years to reach maturity

Flowering

  • spring
  • summer
  • autumn
  • winter

More images of Mount Olympus St John's Wort

A photo of Mount Olympus St John's Wort
A photo of Mount Olympus St John's Wort
A photo of Mount Olympus St John's Wort

Mount Olympus St John's Wort Overview

Subshrub species with a dwarfed growth habit, it typically grows to a maximum height and spread of under half a metre. Meaning this species is well-suited to smaller spaces. Foliage is grey-green and oval in shape, flowers are bright yellow and borne in clusters on erect stems.

Common problems with Mount Olympus St John's Wort

How to propagate Mount Olympus St John's Wort

Cuttings

By softwood cuttings in summer sub-shrubs and shrubs. Seed in autumn, cultivators by softwood cuttings only in summer; perennials may be propagated by seed or division in autumn or spring.

Division

Seed

Other uses of Mount Olympus St John's Wort

Walls, rock garden, ground cover, banks, borders, edging