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PlantSnap
Plant Care
Autumn crocus
(Colchicum autumnale)
Also Known As
Autumn crocus, Meadow saffron, Naked lady, Colchicum
About This Plant
Colchicum autumnale is a species of flowering plant in the family Colchicaceae, native to woodland habitats in Europe. It is commonly known as autumn crocus or naked lady due to its habit of flowering in the autumn, long after the leaves have died back. The plant contains colchicine, a toxic alkaloid that can be used to treat gout and other inflammatory conditions.
Plant Care Instructions
Outdoor Size Range
Height: 4-6 inches (10-15 cm), Spread: 3-4 inches (7-10 cm)
Light Requirements
Colchicum autumnale prefers full sun to partial shade.
Humidity Needs
Colchicum autumnale does not require high humidity levels.
Fertilizing Schedule
Fertilize once a year in the spring with a balanced fertilizer.
Pruning Guidelines
Remove spent flowers and yellowing leaves to keep the plant tidy.
Common Pests and Diseases
Colchicum autumnale is relatively pest-free but can be affected by slugs and snails.
Indoor Size Range
Not suitable for indoor cultivation
Watering Schedule
The plant prefers moist, well-drained soil. During the growing season, water regularly to keep the soil evenly moist. Reduce watering in the dormant season.
Temperature Range
The plant prefers cool temperatures and can tolerate frost. It is hardy to USDA zones 4-8.
Growing Season
The plant blooms in the autumn and goes dormant in the summer.
Growing Difficulty Level
Colchicum autumnale is easy to grow and requires minimal care.
USDA Hardiness Zones
USDA hardiness zones 4-8
Did You Know?
Despite its common name, Colchicum autumnale is not a true crocus and is not related to the Crocus genus. It belongs to the Colchicaceae family and is more closely related to lilies.
