Symphytum × uplandicum 'Variegatum' (v)

RHS Plant Profile
variegated Russian comfrey

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variegated Russian comfrey RHS
Herbaceous Perennial
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Clump-forming perennial to about 90cm in height, with oblong, bristly leaves 15-25cm in length, grey-green with a broad creamy-white margin. Small tubular pale lilac-pink flowers are carried in terminal clusters, from late spring to late summer

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Clay Loam
Moisture
Moist but well–drained or Poorly–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or East–facing or West–facing or North–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Boraginaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Potentially harmful
Harmful if eaten repeatedly. Wear gloves and other protective equipment when handling Pets (rabbits, rodents): Harmful if eaten repeatedly - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus
Symphytum are rhizomatous herbaceous perennials, sometimes invasive, with large leaves and nodding clusters of tubular flowers
Name Status
Accepted

How to Grow

Cultivation

Grow in moderately fertile, moist soil in full sun or partial shade. Variegated forms don't have as much potential to become a nuisance as the green-leaved forms, but still site with care

Propagation

Propagate by division of fleshy roots in spring. Propagate by root cuttings in early winter

Suggested planting locations and garden types

  • Cottage and informal garden
  • Wildlife gardens
  • Flower borders and beds

Pruning

Cut down flower stems when faded to tidy and encourage further flowers

Pests

Generally pest-free

Diseases

Generally disease-free