Crocus sativus
Crocus sativus
The saffron crocus is the source of the world's most expensive spice. Lilac-purple flowers with dark veining appear in October and November, each producing three vivid red stigmas. Needs a warm sunny position and dry summer dormancy. Can be grown successfully in southern England with good drainage and a long hot summer.
Where to plant
Best aspect
Border position
When to plant and expect flowers
Plant
Flowers
How to grow crocus sativus
Plant 10cm deep in July or August for autumn flowering. Needs a warm sheltered position and dry summer dormancy. South-facing raised beds are ideal. Harvest stigmas when flowers open in the morning. Each flower produces only three stigmas.
Soil requirements
Soil type
sand, loam
Moisture
well drained
pH
neutral, alkaline
Aftercare
Leave foliage to grow through winter and spring. It dies back naturally by early summer.
Propagation
- Offsets in autumn
- Seed
Wildlife value
Toxicity
This bulb is not known to be toxic to pets or people.
Common problems
- Corm rot in wet conditions
- Mice and voles
- Needs long hot summers to thrive
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