Dierama trichorhizum

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hairy-rooted wandflower

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Synonyms

Ixia trichorhiza

Herbaceous Perennial Bulbs
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A cormous perennial forming a clump of leathery, grass-like, evergreen leaves. Upright stems support small clusters of narrow, hanging, pink to pale purple bells with silvery bracts in summer

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
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)
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Iridaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Columnar upright
Genus
Dierama are evergreen, clump-forming cormous perennials with long, narrow leaves and slender arching stems bearing nodding, bell-shaped flowers in summer
Name Status
Correct
Plant Range
South Africa (Natal)

How to Grow

Cultivation

Grow in humus-rich, well-drained soil in a sheltered situation with full sun or grow in an alpine house or frame in peat-free, loam-based potting compost in full light

Propagation

Propagate by seed in containers in a cold frame as soon as ripe or by division in spring. Young plants and divisions can be slow to establish

Suggested planting locations and garden types

  • City and courtyard gardens
  • Patio and container plants
  • Rock garden

Pruning

Tidy any winter-damaged foliage by cutting to the base in spring

Pests

Generally pest-free

Diseases

Generally disease-free