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Colchicum × byzantinum 'Innocence'
  • RHS AGM
  • RHS Plants for pollinators

Byzantine meadow saffron 'Innocence'

A vigorous cormous perennial with ribbed, strap-like basal leaves that emerge in spring and die back in summer. White goblet-shaped flowers, sometimes with purple tints at the tips of the petals, appear in early autumn

Synonyms
Colchicum × byzantinum album

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1 year
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer
Autumn White Purple
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Colchicaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Potentially harmful
TOXIC if eaten. Wear gloves and other protective equipment when handling TOXIC to pets - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus

Colchicum are cormous perennials with usually coarse, broadly strap-shaped leaves which appear with or after the goblet-shaped flowers

Name status

Accepted

How to grow

Cultivation

Grow in a sunny position in deep, fertile soil that does not dry out. Intolerant of waterlogging. See bulb cultivation for more detailed advice

Propagation

Propagate by seed, sown in containers in an open frame as soon as ripe, or by division, separating corms when they are dormant in summer

Suggested planting locations and garden types
  • Cottage and informal garden
  • Rock garden
  • Wildlife gardens
  • Underplanting of roses and shrubs
  • Flower borders and beds
Pruning

No pruning required

Pests

May be susceptible to slugs

Diseases

May be susceptibe to colchicum smuts, grey moulds and tulip grey bulb rot

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