Dipsacus inermis

RHS Plant Profile
Himalayan teasel

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Synonyms

Cephalaria from Nepal 2800m
Dipsacus fullonum subsp. fullonum inermis

Herbaceous Perennial
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An upright, clump-forming perennial to 2m tall with small, pincushion-shaped heads of tiny, fragrant, tubular cream flowers on stout, branching stems from summer into autumn

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam

Max Height

1.5-2.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
1.5-2.5 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
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
Caprifoliaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming, Columnar upright
Genus
Dipsacus are erect biennials or perennials with simple or pinnate leaves and crowded heads of numerous small flowers in dense terminal capitula, the calyx teeth bristly
Name Status
Correct
Plant Range
Afghanistan to Himalaya, China, SE Asia

How to Grow

Cultivation

Grow in full sun or partial shade in a moist, moderately fertile soil

Propagation

Propagate by seed

Suggested planting locations and garden types

  • Cottage and informal garden
  • Wildflower meadow
  • Wildlife gardens
  • Banks and slopes
  • Flower borders and beds
  • Cut flowers

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free