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Hypericum frondosum

St John's wort

Garden

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  • Hypericum frondosum | Copyright Greenplantswap 2019
  • Hypericum frondosum | Copyright Greenplantswap 2019
  • Hypericum frondosum | Copyright Greenplantswap 2019

Features

  • BloomsJuly to August
  • Height0.4m to 0.6m
  • Spread0.7m to 1m
  • Growth HabitMound
  • Flower ColourGolden yellow
  • Leaf ColourBlue-green

Description

Hypericum frondosum (St John's wort). This species is a deciduous shrub with lance-shaped blue-green leaves. The flowers are cymes of golden yellow blooms in the summer.

Characteristics

Perennial or Biennial, Deciduous, Shrub

Interest and use

Grown for their conspicuous, yellow flowers with prominent stamens. This shrub is very attractive to bees.

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  • Hypericum frondosum | Copyright Greenplantswap 2019
  • Hypericum frondosum | Copyright Greenplantswap 2019
  • Hypericum frondosum | Copyright Greenplantswap 2019

Needs

  • LightFull sun or Part shade
  • HardinessFully hardy (min -15°C)
  • SoilClay, Well drained, Fertile, Chalky
  • Soil pH5.5 to 8.5
  • WaterMoist

Cultivation

You will need to grow in moderately fertile well-drained moist soil, with a sunny position or in partial shade.

Propagation

Sow the seeds in the autumn or by root softwood cuttings in late spring.

Pests, diseases or disorders

Watch out for rust.

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