Dierama

RHS Plant Profile

African hairbell

Other common names

African hairbell, angel's fishing rod, harlequin flower, wand flower

Herbaceous Perennial

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Position

Full sun

Soil Types

Chalk, Loam, Sand

Size

Time to Maturity: 2–5 years

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

Botanical Details

Family: Iridaceae
Native to GB/Ireland: No
Foliage: Evergreen
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: Ethiopia to South Africa

How to Grow

Cultivation

Grow in humus-rich, well-drained soil in a sheltered situation with full sun

Propagation

Propagate by seed or by division

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Gravel garden
Flower borders and beds

Pruning

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

Pests

Generally pest-free

Diseases

Generally disease-free