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Philadelphus coronarius 'Aureus' AGM

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© RHS 1998

Characteristics

Plant type

Shrub

Habit

Bushy

Fragrance

Flower

Resilience

Hardiness

H6 (hardy - very cold winter)

Colour

Flower

Cream in Summer

Foliage

Green and Yellow in Autumn and Summer
Yellow in Spring

Size

Ultimate height

1.5-2.5 metres

Ultimate spread

1-1.5 metres

Time to ultimate height

5-10 years


Preferred common name

mock orange 'Aureus'

Family

Hydrangeaceae


Philadelphus are deciduous shrubs with simple, opposite leaves and bowl-shaped, usually fragrant flowers which may be solitary or in small panicles or racemes in summer

'Aureus' is an upright, medium-sized deciduous shrub with ovate leaves bright yellow when young, later greener. Flowers 2.5cm in width, creamy-white, with a strong, heavy scent, in early summer

Synonym(s)

  • Philadelphus caucasicus 'Aureus'

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • North-facing, East-facing, South-facing or West-facing
  • Sheltered or Exposed

Cultivation

Grow in moist but well-drained to well-drained soil in sun or partial shade; well suited to a woodland setting

Soil

  • Well-drained or Moist but well-drained
  • Acid, Alkaline or Neutral
  • Chalk, Clay, Sand or Loam

Propagation

Propagate by softwood or hardwood cuttings

Suggested planting locations and garden types

Coastal, Low Maintenance or Flower borders and beds


How to care

Pruning

Pruning group 2

Pests

Aphids may be a problem

Diseases

May be affected by powdery mildews