About

This perennial reaches a height of up to 15 cm and produces 1 to 3 white flowers with green throats, each measuring around 6 cm long, during the autumn months. After flowering, it develops strap-like leaves that can grow up to 25 cm long, displaying a vibrant green color.

About the genus

Colchicum are perennial plants that grow from corms, featuring typically coarse, broad, strap-like leaves. These leaves may emerge alongside or following the goblet-shaped blooms.

Growing conditions

Sunlight
Full sun
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained
Aspect
North-facing, West-facing, South-facing, East-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Plant type
Bulbs
Habit
Columnar upright
Foliage
Deciduous
Height
0.1-0.5 metres
Spread
0-0.1 metre
Time to full height
2-5 years
Suggested uses
Cottage and informal garden, Rock garden, Wildlife gardens, Wildflower meadow
Toxicity
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

Care notes

Cultivation
Grow in moist but well-drained, deep, humus-rich, fertile soil. Intolerant of waterlogging
Pruning
No pruning required
Propagation
Propagate by seed, sowing in containers in an open frame when ripe or separate corms when dormant in summer
Pest resistance
May be susceptible to slugs
Disease resistance
Generally disease-free