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Crocus banaticus
  • RHS AGM
  • RHS Plants for pollinators

Byzantine crocus

A perennial corm with lilac to light purple flowers produced before the leaves in early autumn. Inner tepals much smaller than outer ones, which reflex in strong sun

Other common names
iris-flowered crocus
Synonyms
Crocus byzantinus
Crocus iridiflorus
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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
Summer
Autumn Purple Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

North–facing or West–facing or South–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
E Europe

How to grow

Cultivation

Grow in a moderately fertile, humus-rich, moderately well-drained soil. See crocus cultivation for more advice

Propagation

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

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

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