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Alpine RockeryBulbs

Crocus korolkowii
  • RHS Plants for pollinators

celandine crocus

A small, perennial corm, producing narrow green leaves to 10cm long, marked with a fine white stripe along the centre. In late winter and early spring, produces slender, fragrant, golden yellow flowers, often feathered with purple or dark brown on the outer petals

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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
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Purple Brown Green White
Summer
Autumn
Winter Yellow Purple Brown Green White
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Iridaceae
Native to the UK
No
Foliage
Deciduous
Habit
Tufted
Potentially harmful
Ornamental bulbs - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Ornamental bulbs - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
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

How to grow

Cultivation

Grow in gritty, well-drained, poor to moderately fertile soil in full sun. This species benefits from a dry summer dormancy, so is best grown in dry gardens, or in a bulb frame or alpine house. See crocus cultivation for more advice

Propagation

Propagate by division of established clumps, separating cormlets when dormant, or by seed sown in pots in a cold frame as soon as ripe

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • Rock garden
  • Wildlife gardens
Pruning

No pruning required

Pests

May be susceptible to rodents and birds

Diseases

Generally disease-free, corms may rot in storage

Get involved

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