Portuguese Squill (Scilla peruviana)

Portuguese Squill

Scilla peruviana

Vibrant blue blooms form dense spherical clusters, a spring garden standout. Bulbous perennial flowering plant; common name: Portuguese squill.

Full sun
1–2/week
Moderate
🌱

Plant Needs

☀️
Sunlight Prefers full sun to partial shade; bright direct spring sunlight promotes dense flower clusters
💧
Watering Water thoroughly during active growth; allow top 2–3 cm of soil to dry between waterings; cease watering during summer dormancy
🌡️
Temperature Hardy to 5°C; tolerate mild winter frost; avoid prolonged temperatures above 28°C
🔍

Characteristics

  • Leaf: Linear, fleshy basal leaves; dark green, arranged in a low rosette
  • Flower: Star-shaped, bright blue (rare white/pink) blooms in dense spherical racemes
  • Bulb: Underground tunicate bulb; stores nutrients for summer dormancy
🛠️

Care Guide

Watering

Keep soil evenly moist during active growth; avoid waterlogging bulbs

Fertilization

Diluted balanced feed once every 2 weeks. Use low-nitrogen, phosphorus-rich diluted liquid feed to support bulb development

Eggshell powder topdress:Crush dried eggshells into fine powder; sprinkle lightly on soil surface to boost calcium levels for bulb health; avoid direct contact with bulb tissue
Pruning
  • Deadhead spent flower spikes after blooming to redirect energy to bulb growth
  • Remove yellowing foliage once fully wilted post-dormancy
  • Thin overcrowded bulb clumps every 3–4 years in autumn to maintain vigor
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion may cause vomiting, diarrhea, abdominal pain, and abnormal heart rhythm

Humans: Contains cardiac glycosides; ingestion causes gastrointestinal distress and cardiac irregularities

📖

Garden Uses & Culture

Culture: Symbolizes spring renewal and vibrant beauty in Mediterranean garden traditions

Usage: Ornamental garden bulb; cut flower for spring floral arrangements