Skip to site navigation

Oenothera fruticosa subsp. glauca

Home  |  Plants > Plant Selector > Oenothera fruticosa subsp. glauca

© RHS

Characteristics

Plant type

Herbaceous Perennial

Habit

Bushy

Resilience

Hardiness

old H4 (hardy)

Colour

Flower

Pale Yellow in Spring and Summer

Foliage

Green in Spring and Summer

Size

Ultimate height

0.5-1 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

2-5 years


Preferred common name

glaucous evening primrose

Family

Onagraceae


Oenothera can be annuals, biennials or perennials, upright or spreading in habit, with simple or lobed leaves and bowl-shaped, white, yellow or pink flowers over a long period in summer

O. fruticosa subsp. glauca is an herbaceous perennial to 80cm, with erect stems bearing smooth, ovate, glaucous leaves, reddish when young, and terminal racemes of light yellow flowers 3-5cm wide from late spring to late summer

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing or West-facing
  • Exposed or Sheltered

Cultivation

Grow in moderately fertile well-drained soil in full sun

Soil

  • Well-drained
  • Alkaline or Neutral
  • Sand, Chalk or Loam

Propagation

Propagate by division in early spring or after flowering in late summer

Suggested planting locations and garden types

Cottage/Informal Garden, Coastal, Flower borders and beds, Low Maintenance, Wall-side Borders, Drought Resistant or Mediterranean Climate Plants


How to care

Pruning

Cut back after flowering

Pests

Slugs and snails may be a problem

Diseases

Leaf spot and powdery mildew may be a problem