Autumn Crocus (Colchicum Umbrosum) is a perennial bulb in the Colchicaceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 5-8. This plant is toxic to cats and dogs — keep it out of reach of pets.

Colchicum umbrosum is a small to medium-sized flowering plant native to southeastern Europe and western Asia, known for its autumn-blooming crocus-like flowers.

Autumn Crocus

Autumn Crocus

Colchicum Umbrosum

Colchicum umbrosum is a small to medium-sized flowering plant native to southeastern Europe and western Asia, known for its autumn-blooming crocus-like flowers.

Quick Facts

Type
bulb
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
5-8

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, sandy
Indoor:No
Outdoor:Yes
Garden Use:ornamental, autumn interest

Care Calendar

Monthly care tasks for Autumn Crocus

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Autumn Crocus
Autumn Crocus detail

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Taxonomy

Family:Colchicaceae
Genus:Colchicum