Autumn Crocus (Colchicum Speciosum) is a perennial bulb in the Colchicaceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 4-8. This plant is toxic to cats and dogs — keep it out of reach of pets.

Colchicum speciosum is a perennial flowering plant known for its large, goblet-shaped flowers that appear in the fall on naked stems, often mistaken for crocuses.

Autumn Crocus

Autumn Crocus

Colchicum Speciosum

Colchicum speciosum is a perennial flowering plant known for its large, goblet-shaped flowers that appear in the fall on naked stems, often mistaken for crocuses.

Quick Facts

Type
bulb
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
4-8

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, sandy, well-drained
Indoor:No
Outdoor:Yes
Garden Use:specimen plant, fall interest, groundcover

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