Iris tuberosa
Snake's-head Iris · Widow Iris
About the plant
What it is and where it grows — not part of any germination protocol.
- Habit
- tuberous geophytePlants of the World Online
- Flower
- Yellow-green, blackRead from the photograph on this page
- Native range
- Albania, Corse, East Aegean Is., France, Greece, Italy and elsewhereGBIF Backbone Taxonomy
Toxicity is noted only where a source states it. No note here is not a finding of safety.
Sources: Plants of the World Online — Royal Botanic Gardens, Kew; Read from the photograph on this page — Deno's Garden; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.
Worth knowing
- The snake's-head or widow iris was split off from Iris into its own genus, Hermodactylus, in the nineteenth century, and has most recently been returned to Iris following molecular studies at Kew. Wikipedia: Iris tuberosa
Protocol
DerivedN. C. Deno, 1993Difficulty High
Warm moist stratification
Duration: 90 daysTemperature: 70°F 21°C Light: dark
Cold moist stratification
Duration: 90 daysTemperature: 40°F 4°C
1/4 germinated in this phase.
Steps after step 1 run on after germination.
Germination happens during step 1, in 42 days.
25% germination in 42 days.
How each step is done, in Deno’s words, and what Verified and Derived mean.
Germination trials
Readers’ own records of sowing this species, published after review. Share your trial · All trials
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