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Herbaceous Perennial

Inula magnifica
  • RHS Plants for pollinators

giant inula

I. magnifica is an upright perennial to 2m tall, with branching purplish stems bearing hairy ovate leaves to 25cm long, and several deep yellow flower heads to 15cm wide 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
Loam
Moisture
Moist but well–drained, Poorly–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green
Autumn
Winter
Position
  • Full sun
Aspect

West–facing or South–facing

Exposure
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

Correct

Plant range
Caucasus

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How to grow

Cultivation

Grow in a deep, fertile, moist but well-drained soil in full sun. Will also tolerate boggy conditions

Propagation

Propagate by seed in spring, or as soon as ripe in autumn, and sow into containers in a cold frame. Propagate by division in spring or autumn

Suggested planting locations and garden types
  • Wildlife gardens
  • Wildflower meadow
  • Cottage and informal garden
  • Flower borders and beds
Pruning

Cut back old stems and foliage as the plant dies back for the winter

Pests

Generally trouble free

Diseases

Powdery mildews may be a problem in conditions that are too dry

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