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Crocus longiflorus
  • RHS AGM
  • RHS Plants for pollinators

long-flowered crocus

An autumn-flowering cormous perennial with leaves appearing with or after the fragrant, lilac or purple flowers, which are veined with darker purple outside, and yellow in the throat

Synonyms
Crocus longiflorus var. melitensis
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
Summer
Autumn Purple Green
Winter Green
Position
  • Full sun
Aspect

South–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Iridaceae
Native to GB / Ireland
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

Plant range
Italy Sicily Malta

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. See crocus cultivation for more advice

Propagation

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

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