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Inula magnifica 'Sonnenstrahl' AGM

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© RHS 1999

Characteristics

Plant type

Herbaceous Perennial

Habit

Bushy

Resilience

Hardiness

H7 (very hardy)

Colour

Flower

Yellow in Summer

Foliage

Green in Autumn, Spring and Summer

Size

Ultimate height

1.5-2.5 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

2-5 years


Preferred common name

inula 'Sonnenstrahl'

Family

Asteraceae


Inula may be annuals, herbaceous perennials or sub-shrubs, moslty with large basal leaves and daisy-like yellow flower-heads, often with narrow ray-florets

'Sonnenstrahl' is a tall, free-flowering, upright perennial with ovate leaves and large yellow flower heads on branched, leafy stems in early summer

How to grow

Sunlight

  • Part shade

Aspect

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

Cultivation

Grow in a deep, fertile moist but well-drained soil in partial shade

Soil

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

Propagation

Propagate by seed in pots in a cold frame in spring or autumn. Propagate by division in spring or autumn

Suggested planting locations and garden types

Cottage/Informal Garden, Flower borders and beds, Wildflower meadow or Wildlife Gardens


How to care

Pruning

Cut back after flowering

Pests

Generally pest free

Diseases

May be affected by powdery mildews