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Scilla siberica AGM

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© RHS 2002

Characteristics

Plant type

Bulb

Habit

Clump-forming

Toxicity

Ingestion may cause severe discomfort

Resilience

Hardiness

H5 (hardy - cold winter)

Colour

Flower

Blue in Spring

Foliage

Green in Spring

Stem

Purple in

Size

Ultimate height

0.1-0.5 metres

Ultimate spread

0-0.1 metre

Time to ultimate height

2-5 years


Preferred common name

Siberian squill

Family

Asparagaceae


Scilla are perennial bulbs with narrow basal leaves and erect stems bearing racemes of star-shaped, flat or bell-shaped flowers which are often blue

S. siberica is a bulbous perennial to 20cm in height, with narrow strap-shaped leaves and purplish stems bearing short racemes with 2-5 nodding, bowl-shaped bright blue flowers 1.5cm in width

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing or East-facing
  • Exposed or Sheltered

Cultivation

Plant bulbs 8-10cm deep in late summer or early autumn in a moderately fertile, humus-rich, well-drained soil in full sun or partial shade

Soil

  • Well-drained
  • Acid, Alkaline or Neutral
  • Loam, Sand or Chalk

Propagation

Propagate by seed or divide offsets when dormant

Suggested planting locations and garden types

City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds, Garden Edging, Gravel Garden, Patio/Container Plants, Underplanting of Roses and Shrubs or Rock Garden


How to care

Pruning

No pruning required

Pests

Generally pest free

Diseases

May be subject to a virus