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Herbaceous Perennial

Symphytum ibericum

Iberian comfrey

S. ibericum is a perennial to 40cm in height, with ovate leaves and pale yellow flowers opening from red buds in late spring

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Size
Ultimate height
0.1–0.5 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, Poorly–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Green
Summer Yellow Green
Autumn
Winter
Position
  • Full sun
  • Partial shade
Aspect

West–facing or South–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Boraginaceae
Native to the UK
No
Foliage
Deciduous
Habit
Spreading branched
Potentially harmful
Ingestion may cause severe discomfort. Wear gloves and wash hands after handling
Genus

Symphytum are rhizomatous herbaceous perennials, sometimes invasive, with large leaves and nodding clusters of tubular flowers

Name status

Correct

Plant range
Cauc. & NE Turkey

How to grow

Cultivation

Grow in moderately fertile, moist soil in full sun or partial shade. Can be invasive so site with care

Propagation

Propagate by division of fleshy roots in spring. Propagate by root cuttings in early winter. Propagate by seed sown in pots in a cold frame in autumn or spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Wildlife gardens
  • Banks and slopes
  • Flower borders and beds
  • Ground cover
Pruning

Cut back after flowering to encourage neat, young foliage

Pests

Generally pest free

Diseases

Generally disease free

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