Oenothera versicolor 'Sunset Boulevard'

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sundrops 'Sunset Boulevard'

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Herbaceous Perennial
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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

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1–2 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Onagraceae
Native to GB/Ireland
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