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Herbaceous Perennial

Oenothera versicolor 'Sunset Boulevard'
  • RHS Plants for pollinators

sundrops 'Sunset Boulevard'

'Sunset Boulevard' is a bushy perennial with narrow, mid-green leaves with some bronzing in spring and autumn. The cup-shaped flowers, produced from early summer to early autumn, open in the daytime, starting yellow, turning orange, then fading to red

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Orange Red Yellow Green
Autumn Orange Red Yellow Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Onagraceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Genus

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

Name status

Accepted

How to grow

Cultivation

Grow in poor to moderately fertile, well-drained soil in full sun

Propagation

Propagate by seed sown in pots in a cold frame in early spring

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Patio and container plants
  • Cottage and informal garden
  • Flower borders and beds
Pruning

No pruning required

Pests

Damage by slugs may be a problem

Diseases

Prone to leaf spots, powdery mildews, downy mildews and root rot

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