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Herbaceous Perennial

Inula magnifica 'Sonnenstrahl'
  • RHS AGM
  • RHS Plants for pollinators

inula 'Sonnenstrahl'

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

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Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green
Autumn Green
Winter
Position
  • Partial shade
Aspect

North–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Genus

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

Name status

Accepted

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How to grow

Cultivation

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

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
  • Wildlife gardens
  • Cottage and informal garden
  • Wildflower meadow
  • Flower borders and beds
Pruning

Cut back after flowering

Pests

Generally pest free

Diseases

May be affected by powdery mildews

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