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Hypericum olympicum

St John's wort

Garden

Wishlist

  • Hypericum olympicum | Copyright Greenplantswap 2019

Features

  • BloomsMay to October
  • Height0.15m to 0.3m
  • Spread0.1m to 0.35m
  • Growth HabitLow spreading
  • Flower ColourGolden yellow-orange
  • Leaf ColourGrey green
  • AwardsRHS Garden Merit

Description

Hypericum olympicum (St John's wort). This species will produce large cup-shaped yellow flowers with prominent stamens; they will appear in late spring through to the summer. The leaves are grey-green and will cover upright stems. Grow them in fertile soil that is moisture retentive in partial-shade. Propagation is by seeds or division in the spring or autumn.

Characteristics

Perennial, Semi-evergreen, Shrub

Origin

N. Greece & N.Turkey

Interest and use

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

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  • Hypericum olympicum | Copyright Greenplantswap 2019

Needs

  • LightFull sun or Part shade
  • HardinessFully hardy (min -15°C)
  • SoilClay, Well drained, Fertile, Sandy, Chalky
  • Soil pH7.0
  • WaterSemi-moist

Propagation

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

Pests, diseases or disorders

Some species are susceptible to rust.

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