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Hypericum ‘Rowallane’

St John's wort

Garden

Wishlist

  • Hypericum ‘Rowallane’ | Copyright Greenplantswap 2019

Features

  • BloomsAugust to September
  • Height1m to 1.8m
  • Spread0.65m to 1.2m
  • Growth HabitArching bushy
  • Flower ColourYellow shades
  • Leaf ColourDark green
  • AwardsRHS Garden Merit

Description

Hypericum ‘Rowallane’ (St John's wort). This is a semi-evergreen arching shrub and it will bear large, bowl-shaped deep golden-yellow flowers from mid-summer to the autumn. The oval leaves are rich green. The plant will reach a height and spread of 1.5m.

Characteristics

Perennial or Biennial, Semi-evergreen, Shrub

Interest and use

Ground cover, border, fragrance

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  • Hypericum ‘Rowallane’ | Copyright Greenplantswap 2019

Needs

  • LightFull sun or Part shade
  • HardinessFrost hardy (min -5°C)
  • SoilClay, Well drained, Fertile, Chalky
  • Soil pH5.5 to 8.5
  • 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

H.inodorum 'Elstead' is susceptible to rust, which produces orange spots on leaves, and H.'Hidcote' is prone to a virus that makes leaves narrow and variegated.

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