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Crocus corsicus
  • RHS AGM
  • RHS Plants for pollinators

Corsican crocus

C. corsicus is a perennial corm flowering as the leaves develop. Fragrant flowers with tepals to 3.5cm in length are lilac within, creamy outside with deep purple stripes

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Size
Ultimate height
Up to 10cm
Time to ultimate height
2–5 years
Ultimate spread
0–0.1 metre
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Cream Purple Green
Summer Green
Autumn
Winter
Position
  • Full sun
Aspect

West–facing or East–facing or South–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Iridaceae
Native to the UK
No
Foliage
Deciduous
Habit
Tufted
Genus

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

Name status

Correct

Plant range
Corsica

How to grow

Cultivation

Grow in a bulb frame or alpine house in a mix of equal parts loam, leaf mould and sharp sand or grit. Water freely in the growing season and apply a low-nitrogen fertiliser monthly. Keep completely dry in summer dormancy. Can be grown outdoors in a gritty, poor to moderately fertile soil

Propagation

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

Suggested planting locations and garden types
  • Coastal
  • Rock garden
  • City and courtyard gardens
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • Banks and slopes
  • Flower borders and beds
Pruning

No pruning required

Pests

Corms are vulnerable to mice, voles and squirrels

Diseases

Corms in storage may be subject to rots and moulds

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