Sea Daffodil (Pancratium maritimum)

Sea Daffodil

Pancratium maritimum

Its white blooms glow like coastal stars against sand dunes. Bulbous perennial coastal plant; common names: sea daffodil, sand lily.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Requires full sun exposure to produce blooms; tolerates coastal salt spray and moderate wind
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Watering Water deeply but infrequently, allowing the top 5–10 cm of soil to dry completely between waterings to prevent bulb rot
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Temperature Hardy to 5°C; avoid prolonged frost exposure; thrives in warm, dry coastal summer temperatures
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Characteristics

  • Leaf: Linear, fleshy grey-green leaves up to 60 cm long, emerging in winter
  • Flower: Fragrant white trumpet-shaped blooms with six tepals and a prominent frilled corona
  • Bulb: Underground tunicated bulb adapted to anchoring in sandy coastal soils
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Horticulturist's Insider Field Notes (No AI Fluff)

The Golden 'Finger Test' Rule

Never water on a strict calendar. Stick your index finger 2 inches into the soil. If it feels cool and damp, wait 2–3 days. If bone dry, water thoroughly until it drains from the bottom holes.

Empty the Saucer After 20 Minutes

The #1 houseplant killer is water sitting in the catch tray. Stagnant runoff water starves roots of oxygen and causes root rot.

Turn the Pot Every 2 Weeks

Houseplants naturally lean toward the nearest window light. Give the pot a quarter-turn biweekly to maintain balanced, symmetrical architecture.

Wipe the Dust Away

Dust on leaves acts like a heavy sunshade. Gently wipe broad foliage with a damp cloth monthly to maximize photosynthesis and air purification.

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Care Guide

Watering

Keep soil slightly moist during active growth; avoid waterlogging the bulb base

Fertilization

Apply diluted balanced liquid fertilizer every 2 weeks. Use low-nitrogen fertilizer to prioritize bulb development over foliage growth

Banana peel compost tea:Fully compost banana peels before use; dilute 1:20 with water for root drenching to avoid attracting pests or causing soil acidity spikes
Pruning
  • Deadhead spent blooms promptly to redirect energy to bulb growth
  • Remove yellowing foliage after it fully dies back in late spring to prevent fungal growth
  • Thin overcrowded bulbs every 3–4 years in early spring to maintain plant vigor
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Pet & Human Toxicity & Emergency Guide

⚠️ Toxic to Pets (Cats & Dogs)

Toxicity Warning: Veterinary toxicology registers Sea Daffodil (Pancratium maritimum) as possessing biochemical compounds (such as insoluble oxalates, alkaloids, or saponins) that pose ingestion hazards to felines and canines.

Feline Ingestion Risks (Cats)

Oral pain, hypersalivation (excessive drooling), pawing at mouth, swelling of tongue or lips, vocalization, and vomiting.

Canine Ingestion Risks (Dogs)

Oral mucosal irritation, gagging, retching, lack of appetite, lethargy, diarrhea, and difficulty swallowing.

Immediate Emergency First-Aid

Do NOT induce vomiting without veterinary instructions! Carefully remove remaining plant pieces, gently rinse mouth with cool water, and monitor breathing.

🚨 Pet Ingestion Emergency? Instant Plant & Toxicity Scan

Chewed leaf or stem? Open PlantFun App to scan the plant, immediately verify the botanical species, and view ASPCA toxicity severity ratings & vet first-aid advice.

Emergency Plant Scan
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Troubleshooting & Common Plant Problems

Quick diagnostic guide for common care issues affecting Sea Daffodil (Pancratium maritimum):

Yellowing Leaves

Most commonly caused by overwatering or poor drainage. Ensure topsoil dries out between waterings and check for root ventilation.

Brown or Crispy Leaf Tips

Low ambient humidity, hard tap water minerals, or direct midday sunburn. Increase humidity and use filtered water.

Drooping or Wilting Foliage

Indicates dehydration or root damage from prolonged waterlogging. Inspect soil moisture and root firmness.

Common Pests (Spider Mites, Aphids)

Dry indoor air encourages pests. Wipe leaves with a damp cloth and treat with insecticidal soap or neem oil.

🌿 Instant AI Plant Health Check

Take a photo of any leaf on PlantFun App to get instant diagnosis of diseases, pests, and custom care recovery steps.

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Propagation & Repotting Guide

  • Taking Cuttings: During active spring or summer growth, take a healthy 4–6 inch cutting just below a node using clean shears.
  • Rooting Medium: Place cuttings in fresh water or moist perlite mix in bright, indirect light; refresh water weekly.
  • Potting Up: Transplant into well-draining potting mix once roots reach 2 inches in length (typically 3–5 weeks).
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Seasonal Care Calendar

  • Spring & Summer (Active Growth): Water thoroughly as topsoil dries; apply diluted balanced fertilizer monthly; encourage steady growth.
  • Autumn (Transition): Gradually reduce watering frequency as daylight hours shorten; discontinue fertilization.
  • Winter (Dormancy): Water sparingly only when soil is mostly dry; protect from cold window drafts; keep in warm room.
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Frequently Asked Questions

How often should I water my Sea Daffodil?

Water thoroughly when the top 1–2 inches of soil feel dry. In active growth (spring/summer), water every 1–2 weeks; reduce significantly in winter.

Where is the best indoor location for Sea Daffodil?

Position in bright, filtered indirect light (e.g., near an east or south-facing window with sheer curtains). Avoid harsh direct midday sun.

Is Sea Daffodil toxic to pets?

ASPCA confirmed toxic; contains lycorine alkaloids that cause vomiting, diarrhea, abdominal pain, and lethargy

When should I repot my Sea Daffodil?

Repot every 1–2 years in spring when roots outgrow the drainage holes or the soil depletes nutrients.

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Garden Uses & Culture

Culture: Symbolizes coastal resilience and purity in Mediterranean folklore

Usage: Ornamental coastal garden plant; fragrant cut flowers for floral arrangements

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