Crocus sieberi
Crocus sieberi
A delicate early-flowering species crocus producing tri-coloured flowers with lilac outer petals, a white band, and a deep yellow throat. Cultivar 'Tricolor' is the most popular form. Flowers appear from February in sheltered spots. Smaller and more refined than Dutch crocuses. Perfect for rock gardens and alpine displays in UK gardens.
Where to plant
Best aspect
Border position
When to plant and expect flowers
Plant
Flowers
How to grow crocus sieberi
Plant 5cm deep in free-draining soil. Best in a raised bed, rock garden, or trough where drainage is perfect. Protect from excessive winter wet. The tri-coloured form 'Tricolor' is the most striking.
Soil requirements
Soil type
sand, loam
Moisture
well drained
pH
neutral
Aftercare
Allow foliage to die back naturally after flowering. Remove spent flower heads to prevent self-seeding.
Propagation
- Offsets in autumn
- Seed
Wildlife value
Toxicity
This bulb is not known to be toxic to pets or people.
Common problems
- Mice eating corms
- Rot in wet conditions
- Slow to establish
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