Illyrian Sea Daffodil (Pancratium illyricum)

Illyrian Sea Daffodil

Pancratium illyricum

Its starry white blooms glow in coastal dunes, a delicate beacon against salt winds. Bulbous perennial; common name: Illyrian Sea Daffodil.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Requires full sun exposure; tolerant of coastal salt spray and dry conditions
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Watering Water deeply during active growth; allow soil to dry completely between waterings to prevent bulb rot
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Temperature Hardy to -5°C; prefers warm summer temperatures for flowering, tolerates mild winter frost
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Characteristics

  • Leaf: Linear, fleshy grey-green basal leaves, up to 50 cm long
  • Flower: Fragrant white star-shaped blooms with a cup-shaped corona, borne in umbels of 5–10 flowers
  • Bulb: Underground tunicate bulb, up to 10 cm in diameter
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Care Guide

Watering

Keep soil slightly moist during active foliage and flower growth

Fertilization

Diluted balanced liquid feed once monthly. Use low-nitrogen feed to promote bulb health rather than excessive foliage growth

Eggshell powder topdress:Sprinkle finely ground, dried eggshells around bulb bases in early spring; avoid direct contact with foliage to prevent burning
Pruning
  • Remove spent flower stalks after blooming to direct energy to bulb development
  • Trim yellowing foliage in late autumn once dormancy begins
  • Thin overcrowded bulbs every 3–4 years in early spring to maintain clump vigor
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-listed toxic; contains lycorine, leading to gastrointestinal and neurological symptoms

Humans: Contains lycorine alkaloids; ingestion causes gastrointestinal distress and potential systemic effects

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Garden Uses & Culture

Culture: Associated with coastal resilience and Mediterranean coastal folklore

Usage: Ornamental plant for coastal rockeries, dune restoration, and container displays