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Crocus biflorus 'Blue Pearl' AGM

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© RHS 2003

Characteristics

Plant type

Bulb

Habit

Tufted

Fragrance

Flower

Resilience

Hardiness

H5 (hardy - cold winter)

Colour

Flower

White, Yellow and Pale Blue in Spring

Foliage

Green in Spring and Summer

Size

Ultimate height

Up to 10 cm

Ultimate spread

0-0.1 metre

Time to ultimate height

2-5 years


Preferred common name

crocus 'Blue Pearl'

Family

Iridaceae


Crocus are dwarf, deciduous perennials growing from a corm, with linear leaves usually with a silvery central stripe, and goblet-shaped, sometimes fragrant flowers in autumn or early spring

'Blue Pearl' is a corm with fragrant, light lavender-blue flowers, white within, with a yellow throat, opening in spring with the leaves

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing, North-facing, West-facing or East-facing
  • Exposed or Sheltered

Cultivation

Grow in a gritty, poor to moderately fertile soil

Soil

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

Propagation

Propagate by seed sown in pots in a cold frame when ripe or remove cormlets when dormant

Suggested planting locations and garden types

City/Courtyard Gardens, Flower borders and beds, Gravel Garden, Patio/Container Plants or Rock Garden


How to care

Pruning

No pruning required

Pests

Corms are vulnerable to mice, voles and squirrels

Diseases

Generally disease free, corms may rot in storage