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Scilla peruviana 'Sapphire Blue' (Caribbean Jewels Series) (Portuguese squill 'Sapphire Blue')

Other names: Peruvian scilla 'Sapphire Blue', Caribbean lily 'Sapphire Blue', Cuban lily 'Sapphire Blue', Hyacinth of Peru 'Sapphire Blue', Peruvian jacinth 'Sapphire Blue', Giant squill 'Sapphire Blue'

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Variety or Cultivar
'Sapphire Blue' is a compact, semi-evergreen, bulbous perennial with a rosette of lance-shaped, dark green basal leaves and conical racemes of purple-flushed, deep blue flowers in early summer.
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Season of interest

Flower

Spring Summer Autumn Winter
Flower

Foliage

Spring Summer Autumn Winter
Foliage
Height and spread

Height and spread

Size Max height Max spread To maturity
0.4 m 0.4 m 2-5 years
1 ft 1 ft 2-5 years

Where to grow

Soil type
  • Chalky
  • Loamy
  • Sandy
Soil drainage
  • Well-drained
Soil pH
  • Acid
  • Alkaline
  • Neutral
Sunlight
  • Partial Shade
  • Full Sun
Aspect
  • West
  • South
Exposure
  • Sheltered

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Additional plant details

Cultivation

Plant 8-10cm deep in late summer or early autumn in any moderately fertile, humus-rich, well-drained soil in full sun or partial shade. In autumn, new leaves develop as flowers and old foliage fades. Under glass, grow in 2 parts loam-based compost and 1 part each of grit and leaf mould in full light. In growth, water freely. Keep dry whilst summer dormant.

Suggested uses

Gravel, Containers/Patio, Rock, Coastal, Beds and borders, Cottage/Informal, Underplanting, Garden edging

UK hardiness

H4

USDA zones

Zone 8, Zone 9, Zone 10

Sunset zone

14, 15, 16, 17, 19, 20, 21, 22, 23, 24

WUCOLS

North-Central Coastal = Very Low
Central Valley = Very Low
South Coastal = Low
South Inland = Very Low
High and Intermediate Desert = Unknown
Low Desert = Unknown

Foliage

Semi-evergreen

Habit

Rosette

Native to

Mediterranean

Drought tolerant

No

Flood tolerant

No

Toxicity

Eating may cause severe discomfort.

Plant care

Pruning

Remove leaves only after they have completely died down.

Propagation methods

Seed, Offsets

Pests

Generally pest free.

Diseases

Prone to viral infections.

Separate bulb offsets

Plant Allium, Erythronium, Colchicum and Galtonia bulbs

Sow seed in containers in cold frame (anytime)

Other plants

Plants in this Genus (0)

Scilla

Companion plants (0)

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