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Crocus tommasinianus AGM

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© RHS 2003

Characteristics

Plant type

Bulb

Habit

Tufted

Resilience

Hardiness

H5 (hardy - cold winter)

Colour

Flower

Purple or Pale Purple in Spring

Foliage

Green in Spring

Size

Ultimate height

Up to 10 cm

Ultimate spread

0-0.1 metre

Time to ultimate height

2-5 years


Preferred common name

early crocus

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

C. tommasinianus has long-tubed flowers which appear in early spring, as the narrow leaves emerge; the flowers vary from lilac to deep purple, sometimes paler outside

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, Rock Garden or Wildflower meadow


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