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Hypericum olympicum ‘Citrinum’

St John's wort

Garden

Wishlist

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Features

  • BloomsJune to August
  • Height0.15m to 0.3m
  • Spread0.15m to 0.3m
  • Growth HabitTufted
  • Flower ColourPale yellow
  • Leaf ColourGrey green
  • AwardsRHS Garden Merit

Description

Hypericum olympicum ‘Citrinum’ (St John's wort). Produces tufts of upright stems with small, oval, grey-green leaves. During the whole of the summer, clusters of pale yellow flowers are borne.

Characteristics

Perennial, Deciduous, Sub-shrub

Origin

Europe, Asia Minor

Interest and use

Ground cover, border, edging, rock garden.

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Needs

  • LightFull sun
  • 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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