General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Dry Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Plant Height: 4 inch
Plant Spread: 6 inch
Leaves: Deciduous
Spring ephemeral
Flowers: Showy
Flower Color: Lavender
Bloom Size: 1"-2"
Flower Time: Fall
Inflorescence Height: 4 inch
Foliage Mound Height: 2 inch
Underground structures: Corm
Suitable Locations: Xeriscapic
Uses: Will Naturalize
Resistances: Deer Resistant
Rabbit Resistant
Toxicity: Leaves are poisonous
Roots are poisonous
Other: Toxic if ingested
Propagation: Seeds: Self fertile
Stratify seeds: Soak seeds and warm stratification, then cool
Other info: Very difficult from seed Different species require different conditions.
Propagation: Other methods: Offsets
Pollinators: Self
Various insects

Common names
  • False Autumn Crocus
  • Autumn Crocus
  • Naked Ladies
  • Showy Colchicum
  • Meadow Saffron
  • Naked Boys
Botanical names
  • Accepted: Colchicum autumnale
  • Synonym: Colchicum borisii

Photo Gallery
Location: Nova Scotia, Canada
Date: 2017-09-29
At Briar Patch nurseries
Location: Chicago
Date: October
This is the most prolific passalong colchicum I have ever grown.

Date: c. 1903
illustration from 'Prof. Dr. Thome's Flora von Deutschland, Oster
Location: Osaka Prefectural Flower Garden, Osaka, Japan.
Date: September 19, 2009
Photo by KENPEI

photo by: Bernd Haynold

Date: 2020-10-03

Photo by Leo Michels
Location: Aquitania (France)
Date: 2012-10-13

Date: 2013-10-07
Photo courtesy of: Colin-47

photo credit: H. Zell

Date: 2020-10-03

Photo by Leo Michels

Photo by Leo Michels

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