Triteleia laxa

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Other common names

Ithuriel's spear, triplet lily, grass nut

Synonyms

Triteleia laxa var. laxa
Triteleia laxa var. nimia
Brodiaea laxa
Brodiaea laxa var. nimia
Brodiaea candida

Bulbs
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A perennial with linear basal leaves and loose umbels of funnel-shaped, mid- to deep blue flowers 3-4cm in length, on stems to 50cm in early summer

Position

Full sun

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0-0.1 metre

Size

Time to Maturity
2–5 years
Max Spread
0-0.1 metre
Max Height
0.1-0.5 metres

Growing Conditions

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

Position

Full sun
Aspect
East–facing or 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)
H3

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asparagaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Tufted
Genus
Triteleia are cormous perennials with linear basal leaves and umbels of funnel-shaped flowers opening as the leaves die down
Name Status
Correct
Plant Range
NW USA

How to Grow

Cultivation

Plant 8cm deep in autumn in light, sandy, fertile soil. Will need protection from frosts and excessive winter wet

Propagation

Propagate by seed, sown with moderate heat as soon as ripe. Separate corms when dormant

Suggested planting locations and garden types

  • Cottage and informal garden
  • Mediterranean climate plants
  • City and courtyard gardens
  • Cut flowers
  • Flower borders and beds

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free